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23015106430 = 2517135382979
BaseRepresentation
bin10101011011110011…
…101010011101111110
32012101221222112201021
4111123303222131332
5334113331401210
614323433334354
71443223114441
oct253363523576
965357875637
1023015106430
119840478118
1245638673ba
13222a24b094
141184901658
158ea7e5bda
hex55bcea77e

23015106430 has 16 divisors (see below), whose sum is σ = 43864085520. Its totient is φ = 8664510592.

The previous prime is 23015106427. The next prime is 23015106523. The reversal of 23015106430 is 3460151032.

It is a junction number, because it is equal to n+sod(n) for n = 23015106395 and 23015106404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67691320 + ... + 67691659.

It is an arithmetic number, because the mean of its divisors is an integer number (2741505345).

Almost surely, 223015106430 is an apocalyptic number.

23015106430 is a deficient number, since it is larger than the sum of its proper divisors (20848979090).

23015106430 is a wasteful number, since it uses less digits than its factorization.

23015106430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135383003.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 23015106430 its reverse (3460151032), we get a palindrome (26475257462).

The spelling of 23015106430 in words is "twenty-three billion, fifteen million, one hundred six thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 135382979 270765958 676914895 1353829790 2301510643 4603021286 11507553215 23015106430