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23057754391 = 729113584997
BaseRepresentation
bin10101011110010110…
…010110100100010111
32012111221020021201101
4111132112112210113
5334210241120031
614331555410531
71444251451510
oct253626264427
965457207641
1023057754391
119862557171
124575bb3a47
132236030c69
14118a443a07
158ee41c361
hex55e596917

23057754391 has 8 divisors (see below), whose sum is σ = 27260399520. Its totient is φ = 19082279328.

The previous prime is 23057754359. The next prime is 23057754439. The reversal of 23057754391 is 19345775032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23057754391 - 25 = 23057754359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23057754691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56792296 + ... + 56792701.

It is an arithmetic number, because the mean of its divisors is an integer number (3407549940).

Almost surely, 223057754391 is an apocalyptic number.

23057754391 is a deficient number, since it is larger than the sum of its proper divisors (4202645129).

23057754391 is a wasteful number, since it uses less digits than its factorization.

23057754391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113585033.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 23057754391 in words is "twenty-three billion, fifty-seven million, seven hundred fifty-four thousand, three hundred ninety-one".

Divisors: 1 7 29 203 113584997 795094979 3293964913 23057754391