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71852449568 = 2519817914449
BaseRepresentation
bin100001011101010111…
…1010101111100100000
320212110112001121221212
41002322233111330200
52134123211341233
653001503205252
75122366513154
oct1027257257440
9225415047855
1071852449568
112852191a929
1211b132a6828
136a1116ca63
143698a63064
151d08079a48
hex10babd5f20

71852449568 has 48 divisors (see below), whose sum is σ = 148933260000. Its totient is φ = 34028854272.

The previous prime is 71852449553. The next prime is 71852449579. The reversal of 71852449568 is 86594425817.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4965608 + ... + 4980056.

It is an arithmetic number, because the mean of its divisors is an integer number (3102776250).

Almost surely, 271852449568 is an apocalyptic number.

It is an amenable number.

71852449568 is an abundant number, since it is smaller than the sum of its proper divisors (77080810432).

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

71852449568 is a wasteful number, since it uses less digits than its factorization.

71852449568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22657 (or 22649 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 59.

The spelling of 71852449568 in words is "seventy-one billion, eight hundred fifty-two million, four hundred forty-nine thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 8179 14449 16358 28898 32716 57796 65432 115592 130864 155401 231184 261728 274531 310802 462368 549062 621604 1098124 1243208 2196248 2486416 4392496 4972832 8784992 118178371 236356742 472713484 945426968 1890853936 2245389049 3781707872 4490778098 8981556196 17963112392 35926224784 71852449568