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131141111200420 = 22531647326921053
BaseRepresentation
bin11101110100010110101011…
…010110010011101010100100
3122012022222010112001102102011
4131310112223112103222210
5114142103443431403140
61142525221135124004
736423426662652256
oct3564265326235244
9565288115042364
10131141111200420
11388706a6481612
1212860038973604
1358237276b5749
142455399649cd6
15102643437acea
hex7745ab593aa4

131141111200420 has 48 divisors (see below), whose sum is σ = 284719468981248. Its totient is φ = 50685839902080.

The previous prime is 131141111200399. The next prime is 131141111200427. The reversal of 131141111200420 is 24002111141131.

It is a junction number, because it is equal to n+sod(n) for n = 131141111200391 and 131141111200400.

It is not an unprimeable number, because it can be changed into a prime (131141111200427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163059387 + ... + 163861666.

It is an arithmetic number, because the mean of its divisors is an integer number (5931655603776).

Almost surely, 2131141111200420 is an apocalyptic number.

131141111200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131141111200420 is an abundant number, since it is smaller than the sum of its proper divisors (153578357780828).

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

131141111200420 is a wasteful number, since it uses less digits than its factorization.

131141111200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326921740 (or 326921738 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 131141111200420 its reverse (24002111141131), we get a palindrome (155143222341551).

The spelling of 131141111200420 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred eleven million, two hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 647 1294 2588 3235 6470 12940 20057 40114 80228 100285 200570 401140 326921053 653842106 1307684212 1634605265 3269210530 6538421060 10134552643 20269105286 40538210572 50672763215 101345526430 202691052860 211517921291 423035842582 846071685164 1057589606455 2115179212910 4230358425820 6557055560021 13114111120042 26228222240084 32785277800105 65570555600210 131141111200420