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23100190949 = 1124310194357
BaseRepresentation
bin10101100000111000…
…001111000011100101
32012121220002021201202
4111200320033003211
5334302122102244
614340113132245
71445305245323
oct254070170345
965556067652
1023100190949
119884501400
12458825a085
132241a6b854
141191d2cd13
1590300104e
hex560e0f0e5

23100190949 has 24 divisors (see below), whose sum is σ = 26013076320. Its totient is φ = 20486964960.

The previous prime is 23100190943. The next prime is 23100190987. The reversal of 23100190949 is 94909100132.

It is not a de Polignac number, because 23100190949 - 24 = 23100190933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100190943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5299679 + ... + 5304035.

It is an arithmetic number, because the mean of its divisors is an integer number (1083878180).

Almost surely, 223100190949 is an apocalyptic number.

It is an amenable number.

23100190949 is a deficient number, since it is larger than the sum of its proper divisors (2912885371).

23100190949 is a wasteful number, since it uses less digits than its factorization.

23100190949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441 (or 5430 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 23100190949 in words is "twenty-three billion, one hundred million, one hundred ninety thousand, nine hundred forty-nine".

Divisors: 1 11 43 121 473 1019 4357 5203 11209 43817 47927 123299 187351 481987 527197 2060861 4439783 5301857 22669471 48837613 190910669 537213743 2100017359 23100190949