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71343837474 = 23713177686257
BaseRepresentation
bin100001001110001101…
…1001001000100100010
320211011002000110022220
41002130123021010202
52132103010244344
652435214011510
75103652420110
oct1023433110442
9224132013286
1071343837474
1128290811058
12119b0aa6b96
13695c990a60
14364b2a8ab0
151cc85aec19
hex109c6c9122

71343837474 has 64 divisors (see below), whose sum is σ = 185945953536. Its totient is φ = 17709133824.

The previous prime is 71343837443. The next prime is 71343837511. The reversal of 71343837474 is 47473834317.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3833847 + ... + 3852410.

It is an arithmetic number, because the mean of its divisors is an integer number (2905405524).

Almost surely, 271343837474 is an apocalyptic number.

71343837474 is an abundant number, since it is smaller than the sum of its proper divisors (114602116062).

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

71343837474 is a wasteful number, since it uses less digits than its factorization.

71343837474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686299.

The product of its digits is 4741632, while the sum is 51.

The spelling of 71343837474 in words is "seventy-one billion, three hundred forty-three million, eight hundred thirty-seven thousand, four hundred seventy-four".

Divisors: 1 2 3 6 7 13 14 17 21 26 34 39 42 51 78 91 102 119 182 221 238 273 357 442 546 663 714 1326 1547 3094 4641 9282 7686257 15372514 23058771 46117542 53803799 99921341 107607598 130666369 161411397 199842682 261332738 299764023 322822794 391999107 599528046 699449387 783998214 914664583 1398898774 1698662797 1829329166 2098348161 2743993749 3397325594 4196696322 5095988391 5487987498 10191976782 11890639579 23781279158 35671918737 71343837474