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13977843470 = 2514956916487
BaseRepresentation
bin11010000010010010…
…01111011100001110
31100002010210000112022
431001021033130032
5212111311442340
610231001410142
71003245465143
oct150111173416
940063700468
1013977843470
115a23145758
122861199952
131419b51cc6
1496858a3ca
1556c2083b5
hex34124f70e

13977843470 has 32 divisors (see below), whose sum is σ = 25375032000. Its totient is φ = 5543516416.

The previous prime is 13977843437. The next prime is 13977843491. The reversal of 13977843470 is 7434877931.

It is a super-3 number, since 3×139778434703 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839567 + ... + 856053.

It is an arithmetic number, because the mean of its divisors is an integer number (792969750).

Almost surely, 213977843470 is an apocalyptic number.

13977843470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13977843470 is a deficient number, since it is larger than the sum of its proper divisors (11397188530).

13977843470 is a wasteful number, since it uses less digits than its factorization.

13977843470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17212.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 13977843470 in words is "thirteen billion, nine hundred seventy-seven million, eight hundred forty-three thousand, four hundred seventy".

Divisors: 1 2 5 10 149 298 569 745 1138 1490 2845 5690 16487 32974 82435 84781 164870 169562 423905 847810 2456563 4913126 9381103 12282815 18762206 24565630 46905515 93811030 1397784347 2795568694 6988921735 13977843470