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131122300104 = 23321979244381
BaseRepresentation
bin111101000011101111…
…1111000010011001000
3110112110010201222221100
41322013133320103020
54122014302100404
6140123045541400
712321222106215
oct1720737702310
9415403658840
10131122300104
1150677135884
12214b4714860
13c498562833
1464bc570b0c
153626651d39
hex1e877f84c8

131122300104 has 48 divisors (see below), whose sum is σ = 356925589020. Its totient is φ = 43485563520.

The previous prime is 131122300079. The next prime is 131122300123. The reversal of 131122300104 is 401003221131.

It can be written as a sum of positive squares in 2 ways, for example, as 129958808004 + 1163492100 = 360498^2 + 34110^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4608007 + ... + 4636374.

Almost surely, 2131122300104 is an apocalyptic number.

It is an amenable number.

131122300104 is an abundant number, since it is smaller than the sum of its proper divisors (225803288916).

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

131122300104 is a wasteful number, since it uses less digits than its factorization.

131122300104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9244590 (or 9244583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131122300104 its reverse (401003221131), we get a palindrome (532125521235).

The spelling of 131122300104 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 197 394 591 788 1182 1576 1773 2364 3546 4728 7092 14184 9244381 18488762 27733143 36977524 55466286 73955048 83199429 110932572 166398858 221865144 332797716 665595432 1821143057 3642286114 5463429171 7284572228 10926858342 14569144456 16390287513 21853716684 32780575026 43707433368 65561150052 131122300104