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1431464451613 = 7268994234463
BaseRepresentation
bin10100110101001001111…
…011100001111000011101
312001211212012220112210121
4110311021323201320131
5141423114344422423
63013334455034541
7205264011036100
oct24651173417035
95054765815717
101431464451613
11502098401509
121b151666ba51
13a4ca94c5991
144d3d7342737
152738061045d
hex14d49ee1e1d

1431464451613 has 12 divisors (see below), whose sum is σ = 1665414691200. Its totient is φ = 1226791392792.

The previous prime is 1431464451497. The next prime is 1431464451617. The reversal of 1431464451613 is 3161544641341.

It is a de Polignac number, because none of the positive numbers 2k-1431464451613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431464451613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431464451617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1779181 + ... + 2455282.

It is an arithmetic number, because the mean of its divisors is an integer number (138784557600).

Almost surely, 21431464451613 is an apocalyptic number.

It is an amenable number.

1431464451613 is a deficient number, since it is larger than the sum of its proper divisors (233950239587).

1431464451613 is an equidigital number, since it uses as much as digits as its factorization.

1431464451613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241376 (or 4241369 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The spelling of 1431464451613 in words is "one trillion, four hundred thirty-one billion, four hundred sixty-four million, four hundred fifty-one thousand, six hundred thirteen".

Divisors: 1 7 49 6899 48293 338051 4234463 29641241 207488687 29213560237 204494921659 1431464451613