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131425355403040 = 255821408471269
BaseRepresentation
bin11101111000011111011001…
…100111111000111100100000
3122020100010210222200000101011
4131320133121213320330200
5114211233111440344130
61143303550314550304
736453111552552406
oct3570373147707440
9566303728600334
10131425355403040
11389701a8967066
12128a7145738394
135844486220b0a
142465042027476
15102da1d6d052a
hex7787d99f8f20

131425355403040 has 24 divisors (see below), whose sum is σ = 310492402140060. Its totient is φ = 52570142161152.

The previous prime is 131425355403007. The next prime is 131425355403109. The reversal of 131425355403040 is 40304553524131.

It can be written as a sum of positive squares in 2 ways, for example, as 126808409333776 + 4616946069264 = 11260924^2 + 2148708^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 131425355402984 and 131425355403002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410704235475 + ... + 410704235794.

Almost surely, 2131425355403040 is an apocalyptic number.

131425355403040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131425355403040 is an abundant number, since it is smaller than the sum of its proper divisors (179067046737020).

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

131425355403040 is an equidigital number, since it uses as much as digits as its factorization.

131425355403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821408471284 (or 821408471276 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 131425355403040 in words is "one hundred thirty-one trillion, four hundred twenty-five billion, three hundred fifty-five million, four hundred three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 821408471269 1642816942538 3285633885076 4107042356345 6571267770152 8214084712690 13142535540304 16428169425380 26285071080608 32856338850760 65712677701520 131425355403040