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23408296155 = 325520184359
BaseRepresentation
bin10101110011001111…
…100100000011011011
32020102100211122121200
4111303033210003123
5340420010434110
614430441005243
71456036143246
oct256317440333
966370748550
1023408296155
119a22411402
124653483823
13229084691a
1411c0c1225d
159200b16c0
hex5733e40db

23408296155 has 12 divisors (see below), whose sum is σ = 40574380080. Its totient is φ = 12484424592.

The previous prime is 23408296147. The next prime is 23408296159. The reversal of 23408296155 is 55169280432.

23408296155 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 8 + 29 + 615 + 5 = 666.

It is not a de Polignac number, because 23408296155 - 23 = 23408296147 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 520184359 = 23408296155 / (2 + 3 + 4 + 0 + 8 + 2 + 9 + 6 + 1 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 23408296155.

It is not an unprimeable number, because it can be changed into a prime (23408296159) 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 11 ways as a sum of consecutive naturals, for example, 260092135 + ... + 260092224.

It is an arithmetic number, because the mean of its divisors is an integer number (3381198340).

Almost surely, 223408296155 is an apocalyptic number.

23408296155 is a deficient number, since it is larger than the sum of its proper divisors (17166083925).

23408296155 is a wasteful number, since it uses less digits than its factorization.

23408296155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520184370 (or 520184367 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 23408296155 in words is "twenty-three billion, four hundred eight million, two hundred ninety-six thousand, one hundred fifty-five".

Divisors: 1 3 5 9 15 45 520184359 1560553077 2600921795 4681659231 7802765385 23408296155