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115213451155131 = 3729677279445567
BaseRepresentation
bin11010001100100100111000…
…110101000101011010111011
3120002221022001111200001222110
4122030210320311011122323
5110100124121443431011
61045012155003223403
733160616503253520
oct3214447065053273
9502838044601873
10115213451155131
113378a82862888a
1210b0917b817b63
134c39774368c84
14206450a013147
15d4be76225ba6
hex68c938d456bb

115213451155131 has 32 divisors (see below), whose sum is σ = 181885531299840. Its totient is φ = 63472148078976.

The previous prime is 115213451155087. The next prime is 115213451155199. The reversal of 115213451155131 is 131551154312511.

It is not a de Polignac number, because 115213451155131 - 227 = 115213316937403 is a prime.

It is a super-2 number, since 2×1152134511551312 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115213451155131.

It is not an unprimeable number, because it can be changed into a prime (115213451150131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139310491 + ... + 140135076.

It is an arithmetic number, because the mean of its divisors is an integer number (5683922853120).

Almost surely, 2115213451155131 is an apocalyptic number.

115213451155131 is a deficient number, since it is larger than the sum of its proper divisors (66672080144709).

115213451155131 is a wasteful number, since it uses less digits than its factorization.

115213451155131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279446283.

The product of its digits is 45000, while the sum is 39.

The spelling of 115213451155131 in words is "one hundred fifteen trillion, two hundred thirteen billion, four hundred fifty-one million, one hundred fifty-five thousand, one hundred thirty-one".

Divisors: 1 3 7 21 29 87 203 609 677 2031 4739 14217 19633 58899 137431 412293 279445567 838336701 1956118969 5868356907 8103921443 24311764329 56727450101 170182350303 189184648859 567553946577 1324292542013 3972877626039 5486354816911 16459064450733 38404483718377 115213451155131