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156430040546 = 21311371217477
BaseRepresentation
bin1001000110101111110…
…1001111110111100010
3112221202212201102021102
42101223331033313202
510030332042244141
6155510222354402
714205324256103
oct2215375176742
9487685642242
10156430040546
116038375284a
122639812ba02
131199c777090
1477dd7443aa
15410836199b
hex246bf4fde2

156430040546 has 32 divisors (see below), whose sum is σ = 255000817008. Its totient is φ = 71539937280.

The previous prime is 156430040537. The next prime is 156430040549. The reversal of 156430040546 is 645040034651.

It can be written as a sum of positive squares in 8 ways, for example, as 8493649921 + 147936390625 = 92161^2 + 384625^2 .

It is not an unprimeable number, because it can be changed into a prime (156430040549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20917760 + ... + 20925236.

Almost surely, 2156430040546 is an apocalyptic number.

156430040546 is a deficient number, since it is larger than the sum of its proper divisors (98570776462).

156430040546 is a wasteful number, since it uses less digits than its factorization.

156430040546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14726.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 156430040546 in words is "one hundred fifty-six billion, four hundred thirty million, forty thousand, five hundred forty-six".

Divisors: 1 2 13 26 113 226 1469 2938 7121 7477 14242 14954 92573 97201 185146 194402 804673 844901 1609346 1689802 10460749 10983713 20921498 21967426 53243717 106487434 692168321 1384336642 6016540021 12033080042 78215020273 156430040546