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100345015131 = 3672292180039
BaseRepresentation
bin101110101110100000…
…1110110101101011011
3100121000012211221000220
41131131001312231123
53121001310441011
6114033045531123
710151433361344
oct1353501665533
9317005757026
10100345015131
1139613166079
1217545413aa3
13960213b9ca
144bdcbd10cb
15292468b506
hex175d076b5b

100345015131 has 16 divisors (see below), whose sum is σ = 136383302400. Its totient is φ = 65610423648.

The previous prime is 100345015109. The next prime is 100345015139. The reversal of 100345015131 is 131510543001.

It is not a de Polignac number, because 100345015131 - 225 = 100311460699 is a prime.

It is a super-2 number, since 2×1003450151312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100345015139) 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, 1043991 + ... + 1136048.

It is an arithmetic number, because the mean of its divisors is an integer number (8523956400).

Almost surely, 2100345015131 is an apocalyptic number.

100345015131 is a deficient number, since it is larger than the sum of its proper divisors (36038287269).

100345015131 is a wasteful number, since it uses less digits than its factorization.

100345015131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180338.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 100345015131 its reverse (131510543001), we get a palindrome (231855558132).

The spelling of 100345015131 in words is "one hundred billion, three hundred forty-five million, fifteen thousand, one hundred thirty-one".

Divisors: 1 3 67 201 229 687 15343 46029 2180039 6540117 146062613 438187839 499228931 1497686793 33448338377 100345015131