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131425351005536 = 257745778680477
BaseRepresentation
bin11101111000011111011001…
…010111000111010101100000
3122020100010210200101121010122
4131320133121113013111200
5114211233104324134121
61143303550040415412
736453111500305610
oct3570373127072540
9566303720347118
10131425351005536
11389701a6433165
12128a7144177568
135844485341343
142465041600a40
15102da1d1125ab
hex7787d95c7560

131425351005536 has 48 divisors (see below), whose sum is σ = 295746698481696. Its totient is φ = 56317596389376.

The previous prime is 131425351005517. The next prime is 131425351005547. The reversal of 131425351005536 is 635500153524131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37669871 + ... + 41010606.

It is an arithmetic number, because the mean of its divisors is an integer number (6161389551702).

Almost surely, 2131425351005536 is an apocalyptic number.

131425351005536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131425351005536 is an abundant number, since it is smaller than the sum of its proper divisors (164321347476160).

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

131425351005536 is an equidigital number, since it uses as much as digits as its factorization.

131425351005536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78687951 (or 78687943 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 131425351005536 in words is "one hundred thirty-one trillion, four hundred twenty-five billion, three hundred fifty-one million, five thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 7457 14914 29828 52199 59656 104398 119312 208796 238624 417592 835184 1670368 78680477 157360954 314721908 550763339 629443816 1101526678 1258887632 2203053356 2517775264 4406106712 8812213424 17624426848 586720316989 1173440633978 2346881267956 4107042218923 4693762535912 8214084437846 9387525071824 16428168875692 18775050143648 32856337751384 65712675502768 131425351005536