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72088424448 = 212310356957
BaseRepresentation
bin100001100100011001…
…1100001000000000000
320220001222002101122020
41003020303201000000
52140114114040243
653041133041440
75131263332445
oct1031063410000
9226058071566
1072088424448
1128633044297
1211b7a326280
136a4b011771
1436bc12b9cc
151d1db3d283
hex10c8ce1000

72088424448 has 104 divisors (see below), whose sum is σ = 194081878848. Its totient is φ = 23795761152.

The previous prime is 72088424407. The next prime is 72088424453. The reversal of 72088424448 is 84442488027.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72088424448.

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, 1237186 + ... + 1294142.

It is an arithmetic number, because the mean of its divisors is an integer number (1866171912).

Almost surely, 272088424448 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 72088424448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97040939424).

72088424448 is an abundant number, since it is smaller than the sum of its proper divisors (121993454400).

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

72088424448 is a wasteful number, since it uses less digits than its factorization.

72088424448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57087 (or 57065 counting only the distinct ones).

The product of its (nonzero) digits is 3670016, while the sum is 51.

The spelling of 72088424448 in words is "seventy-two billion, eighty-eight million, four hundred twenty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 128 192 206 256 309 384 412 512 618 768 824 1024 1236 1536 1648 2048 2472 3072 3296 4096 4944 6144 6592 9888 12288 13184 19776 26368 39552 52736 56957 79104 105472 113914 158208 170871 210944 227828 316416 341742 421888 455656 632832 683484 911312 1265664 1366968 1822624 2733936 3645248 5467872 5866571 7290496 10935744 11733142 14580992 17599713 21871488 23466284 29161984 35199426 43742976 46932568 58323968 70398852 87485952 93865136 116647936 140797704 174971904 187730272 233295872 281595408 349943808 375460544 563190816 699887616 750921088 1126381632 1501842176 2252763264 3003684352 4505526528 6007368704 9011053056 12014737408 18022106112 24029474816 36044212224 72088424448