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131774929792 = 271193590149
BaseRepresentation
bin111101010111001100…
…1011101101110000000
3110121010121210000120021
41322232121131232000
54124333340223132
6140311522023224
712343335264532
oct1725631355600
9417117700507
10131774929792
1150981570160
12216571a7b14
13c57082774c
1465410d7852
153663ab8997
hex1eae65db80

131774929792 has 32 divisors (see below), whose sum is σ = 286385859000. Its totient is φ = 59897694720.

The previous prime is 131774929777. The next prime is 131774929829. The reversal of 131774929792 is 297929477131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 131774929792.

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, 46793667 + ... + 46796482.

Almost surely, 2131774929792 is an apocalyptic number.

It is an amenable number.

131774929792 is an abundant number, since it is smaller than the sum of its proper divisors (154610929208).

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

131774929792 is an equidigital number, since it uses as much as digits as its factorization.

131774929792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93590174 (or 93590162 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 61.

The spelling of 131774929792 in words is "one hundred thirty-one billion, seven hundred seventy-four million, nine hundred twenty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 93590149 187180298 374360596 748721192 1029491639 1497442384 2058983278 2994884768 4117966556 5989769536 8235933112 11979539072 16471866224 32943732448 65887464896 131774929792