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91079339113754 = 21712721092945603
BaseRepresentation
bin10100101101011000001111…
…101001110111110100011010
3102221111002200202001021102222
4110231120033221313310122
543414220441303120004
6521413134252424042
725120156633541345
oct2455301751676432
9387432622037388
1091079339113754
1127025592550552
12a26b952478022
133ba898b4c5014
14186c3991cd45c
15a7e2b15687be
hex52d60fa77d1a

91079339113754 has 16 divisors (see below), whose sum is σ = 145794440014848. Its totient is φ = 42523378333632.

The previous prime is 91079339113751. The next prime is 91079339113759. The reversal of 91079339113754 is 45731193397019.

It is not an unprimeable number, because it can be changed into a prime (91079339113751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10546468484 + ... + 10546477119.

It is an arithmetic number, because the mean of its divisors is an integer number (9112152500928).

Almost surely, 291079339113754 is an apocalyptic number.

91079339113754 is a deficient number, since it is larger than the sum of its proper divisors (54715100901094).

91079339113754 is a wasteful number, since it uses less digits than its factorization.

91079339113754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21092945749.

The product of its (nonzero) digits is 19289340, while the sum is 62.

The spelling of 91079339113754 in words is "ninety-one trillion, seventy-nine billion, three hundred thirty-nine million, one hundred thirteen thousand, seven hundred fifty-four".

Divisors: 1 2 17 34 127 254 2159 4318 21092945603 42185891206 358580075251 717160150502 2678804091581 5357608183162 45539669556877 91079339113754