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131005066474432 = 263166030779473
BaseRepresentation
bin11101110010010111111110…
…011100110111001111000000
3122011211221222022220021121001
4131302113332130313033000
5114132341334004140212
61142342521404341344
736410542446606133
oct3562277634671700
9564757868807531
10131005066474432
1138818a33803377
12128397ab844854
1358139563b5497
14244c97144c21a
151022b209e7657
hex7725fe7373c0

131005066474432 has 28 divisors (see below), whose sum is σ = 268349087782336. Its totient is φ = 63389548293120.

The previous prime is 131005066474427. The next prime is 131005066474481. The reversal of 131005066474432 is 234474660500131.

It is a congruent number.

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, 33015387753 + ... + 33015391720.

Almost surely, 2131005066474432 is an apocalyptic number.

It is an amenable number.

131005066474432 is an abundant number, since it is smaller than the sum of its proper divisors (137344021307904).

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

131005066474432 is an equidigital number, since it uses as much as digits as its factorization.

131005066474432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66030779516 (or 66030779506 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 131005066474432 in words is "one hundred thirty-one trillion, five billion, sixty-six million, four hundred seventy-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 66030779473 132061558946 264123117892 528246235784 1056492471568 2046954163663 2112984943136 4093908327326 4225969886272 8187816654652 16375633309304 32751266618608 65502533237216 131005066474432