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115136131663 = 7471033397649
BaseRepresentation
bin110101100111010100…
…1011111001001001111
3102000012000221111110201
41223032221133021033
53341244322203123
6124520502514331
711214115654150
oct1531651371117
9360160844421
10115136131663
1144913387923
121a392a359a7
13ab1b610177
14580339d927
152edce8e5ad
hex1acea5f24f

115136131663 has 16 divisors (see below), whose sum is σ = 135688550400. Its totient is φ = 95650586496.

The previous prime is 115136131637. The next prime is 115136131699. The reversal of 115136131663 is 366131631511.

It is a cyclic number.

It is not a de Polignac number, because 115136131663 - 213 = 115136123471 is a prime.

It is a super-2 number, since 2×1151361316632 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115136131603) 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, 1664938 + ... + 1732711.

It is an arithmetic number, because the mean of its divisors is an integer number (8480534400).

Almost surely, 2115136131663 is an apocalyptic number.

115136131663 is a deficient number, since it is larger than the sum of its proper divisors (20552418737).

115136131663 is a wasteful number, since it uses less digits than its factorization.

115136131663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397806.

The product of its digits is 29160, while the sum is 37.

The spelling of 115136131663 in words is "one hundred fifteen billion, one hundred thirty-six million, one hundred thirty-one thousand, six hundred sixty-three".

Divisors: 1 7 47 103 329 721 4841 33887 3397649 23783543 159689503 349957847 1117826521 2449704929 16448018809 115136131663