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23102355235 = 553617120129
BaseRepresentation
bin10101100001000000…
…011111011100100011
32012122001011020120111
4111201000133130203
5334303200331420
614340231352151
71445332531231
oct254100373443
965561136514
1023102355235
11988574a473
124588b22657
1322423489ab
141192333951
159032cc45a
hex56101f723

23102355235 has 32 divisors (see below), whose sum is σ = 29114743680. Its totient is φ = 17583820800.

The previous prime is 23102355229. The next prime is 23102355247. The reversal of 23102355235 is 53255320132.

It is not a de Polignac number, because 23102355235 - 25 = 23102355203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23102355197 and 23102355206.

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, 1137651 + ... + 1157779.

It is an arithmetic number, because the mean of its divisors is an integer number (909835740).

Almost surely, 223102355235 is an apocalyptic number.

23102355235 is a deficient number, since it is larger than the sum of its proper divisors (6012388445).

23102355235 is a wasteful number, since it uses less digits than its factorization.

23102355235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20319.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 23102355235 its reverse (53255320132), we get a palindrome (76357675367).

The spelling of 23102355235 in words is "twenty-three billion, one hundred two million, three hundred fifty-five thousand, two hundred thirty-five".

Divisors: 1 5 53 61 71 265 305 355 3233 3763 4331 16165 18815 20129 21655 100645 229543 1066837 1147715 1227869 1429159 5334185 6139345 7145795 65077057 75745427 87178699 325385285 378727135 435893495 4620471047 23102355235