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131421515045013 = 321746714471271129
BaseRepresentation
bin11101111000011011110100…
…101110000101100010010101
3122020022202220100100121112200
4131320123310232011202111
5114211202230322420023
61143302113250435113
736452614441214334
oct3570336456054225
9566282810317480
10131421515045013
1138969608100256
12128a6453592a99
135843cc36c5c0b
142464b99d8bd1b
15102d896491743
hex7786f4b85895

131421515045013 has 48 divisors (see below), whose sum is σ = 201567375434880. Its totient is φ = 82227053472768.

The previous prime is 131421515044993. The next prime is 131421515045021. The reversal of 131421515045013 is 310540515124131.

131421515045013 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 151 + 50 + 450 + 1 + 3 = 666.

It is not a de Polignac number, because 131421515045013 - 230 = 131420441303189 is a prime.

It is a super-2 number, since 2×1314215150450132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131421515045083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102754033 + ... + 104025161.

It is an arithmetic number, because the mean of its divisors is an integer number (4199320321560).

Almost surely, 2131421515045013 is an apocalyptic number.

It is an amenable number.

131421515045013 is a deficient number, since it is larger than the sum of its proper divisors (70145860389867).

131421515045013 is a wasteful number, since it uses less digits than its factorization.

131421515045013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273066 (or 1273063 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 131421515045013 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, five hundred fifteen million, forty-five thousand, thirteen".

Divisors: 1 3 9 17 51 153 467 1401 1447 4203 4341 7939 13023 23817 24599 71451 73797 221391 675749 1271129 2027247 3813387 6081741 11440161 11487733 21609193 34463199 64827579 103389597 194482737 593617243 1780851729 1839323663 5342555187 5517970989 10091493131 16553912967 30274479393 31268502271 90823438179 93805506813 281416520439 858964150621 2576892451863 7730677355589 14602390560557 43807171681671 131421515045013