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23405510434 = 297239504799
BaseRepresentation
bin10101110011000100…
…111011111100100010
32020102011121010022211
4111303010323330202
5340413302313214
614430301152334
71456003361515
oct256304737442
966364533284
1023405510434
119a20889459
12465255b6aa
1322900ac977
1411c06c8d7c
1591ec110c4
hex57313bf22

23405510434 has 16 divisors (see below), whose sum is σ = 35618688000. Its totient is φ = 11533624704.

The previous prime is 23405510423. The next prime is 23405510437. The reversal of 23405510434 is 43401550432.

It is a junction number, because it is equal to n+sod(n) for n = 23405510396 and 23405510405.

It is not an unprimeable number, because it can be changed into a prime (23405510437) 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, 206034 + ... + 298765.

It is an arithmetic number, because the mean of its divisors is an integer number (2226168000).

Almost surely, 223405510434 is an apocalyptic number.

23405510434 is a deficient number, since it is larger than the sum of its proper divisors (12213177566).

23405510434 is a wasteful number, since it uses less digits than its factorization.

23405510434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505137.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 23405510434 in words is "twenty-three billion, four hundred five million, five hundred ten thousand, four hundred thirty-four".

Divisors: 1 2 97 194 239 478 23183 46366 504799 1009598 48965503 97931006 120646961 241293922 11702755217 23405510434