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23145404255 = 541972694327
BaseRepresentation
bin10101100011100100…
…101101011101011111
32012202001011100201122
4111203210231131133
5334400210414010
614344410201155
71446364455461
oct254344553537
965661140648
1023145404255
1198a7a82876
12459b4231bb
13224b23c29c
141197d3c131
15906e82855
hex56392d75f

23145404255 has 32 divisors (see below), whose sum is σ = 28858757760. Its totient is φ = 17807892480.

The previous prime is 23145404221. The next prime is 23145404297. The reversal of 23145404255 is 55240454132.

It is not a de Polignac number, because 23145404255 - 210 = 23145403231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5346902 + ... + 5351228.

It is an arithmetic number, because the mean of its divisors is an integer number (901836180).

Almost surely, 223145404255 is an apocalyptic number.

23145404255 is a deficient number, since it is larger than the sum of its proper divisors (5713353505).

23145404255 is a wasteful number, since it uses less digits than its factorization.

23145404255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 23145404255 its reverse (55240454132), we get a palindrome (78385858387).

The spelling of 23145404255 in words is "twenty-three billion, one hundred forty-five million, four hundred four thousand, two hundred fifty-five".

Divisors: 1 5 41 97 205 269 485 1345 3977 4327 11029 19885 21635 26093 55145 130465 177407 419719 887035 1069813 1163963 2098595 5349065 5819815 17208479 47722483 86042395 112904411 238612415 564522055 4629080851 23145404255