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12574479171409 = 171397079751717
BaseRepresentation
bin1011011011111011100101…
…0111010011111101010001
31122112002221001222201221221
42312332321113103331101
53122010013131441114
642424345212245041
72435322213262321
oct266767127237521
948462831881857
1012574479171409
114008896749121
1214b1027770781
137029cac4818c
14316872661281
1516c1574db524
hexb6fb95d3f51

12574479171409 has 16 divisors (see below), whose sum is σ = 13411851868800. Its totient is φ = 11747986032384.

The previous prime is 12574479171407. The next prime is 12574479171433. The reversal of 12574479171409 is 90417197447521.

It is a cyclic number.

It is not a de Polignac number, because 12574479171409 - 21 = 12574479171407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12574479171407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16351819 + ... + 17103535.

It is an arithmetic number, because the mean of its divisors is an integer number (838240741800).

Almost surely, 212574479171409 is an apocalyptic number.

It is an amenable number.

12574479171409 is a deficient number, since it is larger than the sum of its proper divisors (837372697391).

12574479171409 is a wasteful number, since it uses less digits than its factorization.

12574479171409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758952.

The product of its (nonzero) digits is 17781120, while the sum is 61.

The spelling of 12574479171409 in words is "twelve trillion, five hundred seventy-four billion, four hundred seventy-nine million, one hundred seventy-one thousand, four hundred nine".

Divisors: 1 17 139 2363 7079 120343 751717 983981 12779189 16727677 104488663 1776307271 5321404643 90463878931 739675245377 12574479171409