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108287268864 = 211322977673
BaseRepresentation
bin110010011011001101…
…1001001100000000000
3101100111201121012221120
41210312123021200000
53233233020100424
6121425123552240
710552313412135
oct1446633114000
9340451535846
10108287268864
1141a19381935
1218ba122b680
13a299713928
14535394658c
152c3ba7ba79
hex19366c9800

108287268864 has 96 divisors (see below), whose sum is σ = 288858875760. Its totient is φ = 36075339776.

The previous prime is 108287268853. The next prime is 108287268883. The reversal of 108287268864 is 468862782801.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1082872688642 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108287268798 and 108287268807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14108932 + ... + 14116604.

Almost surely, 2108287268864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108287268864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144429437880).

108287268864 is an abundant number, since it is smaller than the sum of its proper divisors (180571606896).

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

108287268864 is an equidigital number, since it uses as much as digits as its factorization.

108287268864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9995 (or 9975 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 60.

The spelling of 108287268864 in words is "one hundred eight billion, two hundred eighty-seven million, two hundred sixty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 2297 3072 4594 6144 6891 7673 9188 13782 15346 18376 23019 27564 30692 36752 46038 55128 61384 73504 92076 110256 122768 147008 184152 220512 245536 294016 368304 441024 491072 588032 736608 882048 982144 1176064 1473216 1764096 1964288 2352128 2946432 3528192 3928576 4704256 5892864 7056384 7857152 11785728 14112768 15714304 17624881 23571456 35249762 47142912 52874643 70499524 105749286 140999048 211498572 281998096 422997144 563996192 845994288 1127992384 1691988576 2255984768 3383977152 4511969536 6767954304 9023939072 13535908608 18047878144 27071817216 36095756288 54143634432 108287268864