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108132636672 = 2113210356957
BaseRepresentation
bin110010010110100110…
…1010001100000000000
3101100002221122002110100
41210231031101200000
53232423423333142
6121401521402400
710545425150334
oct1445515214000
9340087562410
10108132636672
114194a066435
1218b59499400
13a2736824a8
14533b1b37c4
152c2d1d4b4c
hex192d351800

108132636672 has 144 divisors (see below), whose sum is σ = 315344549520. Its totient is φ = 35693641728.

The previous prime is 108132636671. The next prime is 108132636691. The reversal of 108132636672 is 276636231801.

108132636672 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 3 + 2 + 636 + 6 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1081326366722 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108132636671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870018 + ... + 1926974.

It is an arithmetic number, because the mean of its divisors is an integer number (2189892705).

Almost surely, 2108132636672 is an apocalyptic number.

108132636672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108132636672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157672274760).

108132636672 is an abundant number, since it is smaller than the sum of its proper divisors (207211912848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108132636672 is a wasteful number, since it uses less digits than its factorization.

108132636672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57088 (or 57065 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 108132636672 in words is "one hundred eight billion, one hundred thirty-two million, six hundred thirty-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 103 128 144 192 206 256 288 309 384 412 512 576 618 768 824 927 1024 1152 1236 1536 1648 1854 2048 2304 2472 3072 3296 3708 4608 4944 6144 6592 7416 9216 9888 13184 14832 18432 19776 26368 29664 39552 52736 56957 59328 79104 105472 113914 118656 158208 170871 210944 227828 237312 316416 341742 455656 474624 512613 632832 683484 911312 949248 1025226 1366968 1822624 1898496 2050452 2733936 3645248 4100904 5467872 5866571 7290496 8201808 10935744 11733142 14580992 16403616 17599713 21871488 23466284 29161984 32807232 35199426 43742976 46932568 52799139 58323968 65614464 70398852 87485952 93865136 105598278 116647936 131228928 140797704 174971904 187730272 211196556 262457856 281595408 349943808 375460544 422393112 524915712 563190816 750921088 844786224 1049831424 1126381632 1501842176 1689572448 2252763264 3003684352 3379144896 4505526528 6007368704 6758289792 9011053056 12014737408 13516579584 18022106112 27033159168 36044212224 54066318336 108132636672