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131321112012200 = 23521159691414551
BaseRepresentation
bin11101110110111110010100…
…001110111010010110101000
3122012222011202002100002012202
4131312332110032322112220
5114203031114133342300
61143144030325155332
736442431401423135
oct3566762416722650
9565864662302182
10131321112012200
113892aa75218690
121288aab285bb48
1358376b2552626
14245dd935b758c
15102ae6bb94ad5
hex776f943ba5a8

131321112012200 has 48 divisors (see below), whose sum is σ = 333078093200160. Its totient is φ = 47753131640000.

The previous prime is 131321112012169. The next prime is 131321112012217. The reversal of 131321112012200 is 2210211123131.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 29845705076 + ... + 29845709475.

It is an arithmetic number, because the mean of its divisors is an integer number (6939126941670).

Almost surely, 2131321112012200 is an apocalyptic number.

131321112012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321112012200 is an abundant number, since it is smaller than the sum of its proper divisors (201756981187960).

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

131321112012200 is a wasteful number, since it uses less digits than its factorization.

131321112012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59691414578 (or 59691414569 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131321112012200 its reverse (2210211123131), we get a palindrome (133531323135331).

The spelling of 131321112012200 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, one hundred twelve million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 59691414551 119382829102 238765658204 298457072755 477531316408 596914145510 656605560061 1193828291020 1313211120122 1492285363775 2387656582040 2626422240244 2984570727550 3283027800305 5252844480488 5969141455100 6566055600610 11938282910200 13132111201220 16415139001525 26264222402440 32830278003050 65660556006100 131321112012200