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23102303021 = 735914836199
BaseRepresentation
bin10101100001000000…
…010010101100101101
32012122001001120221122
4111201000102230231
5334303142144041
614340230310325
71445332223060
oct254100225455
965561046848
1023102303021
119885714216
124588ab83a5
13224232acb5
14119231c8d7
159032bbc4b
hex561012b2d

23102303021 has 16 divisors (see below), whose sum is σ = 26498304000. Its totient is φ = 19730316528.

The previous prime is 23102302997. The next prime is 23102303027. The reversal of 23102303021 is 12030320132.

It is a cyclic number.

It is not a de Polignac number, because 23102303021 - 26 = 23102302957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102303027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723680 + ... + 3729878.

It is an arithmetic number, because the mean of its divisors is an integer number (1656144000).

Almost surely, 223102303021 is an apocalyptic number.

It is an amenable number.

23102303021 is a deficient number, since it is larger than the sum of its proper divisors (3396000979).

23102303021 is a wasteful number, since it uses less digits than its factorization.

23102303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23102303021 its reverse (12030320132), we get a palindrome (35132623153).

The spelling of 23102303021 in words is "twenty-three billion, one hundred two million, three hundred three thousand, twenty-one".

Divisors: 1 7 359 1483 2513 6199 10381 43393 532397 2225441 3726779 9193117 15578087 64351819 3300329003 23102303021