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23133210303 = 372942190227
BaseRepresentation
bin10101100010110110…
…001100011010111111
32012201012012211202210
4111202312030122333
5334334100212203
614343252551503
71446156020550
oct254266143277
965635184683
1023133210303
1198a1104325
124597322593
13224885cc28
141196486327
15905d74803
hex562d8c6bf

23133210303 has 32 divisors (see below), whose sum is σ = 36553167360. Its totient is φ = 12732693120.

The previous prime is 23133210301. The next prime is 23133210307. The reversal of 23133210303 is 30301233132.

It is not a de Polignac number, because 23133210303 - 21 = 23133210301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23133210303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133210301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211276 + ... + 301502.

It is an arithmetic number, because the mean of its divisors is an integer number (1142286480).

Almost surely, 223133210303 is an apocalyptic number.

23133210303 is a deficient number, since it is larger than the sum of its proper divisors (13419957057).

23133210303 is a wasteful number, since it uses less digits than its factorization.

23133210303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90687.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23133210303 its reverse (30301233132), we get a palindrome (53434443435).

The spelling of 23133210303 in words is "twenty-three billion, one hundred thirty-three million, two hundred ten thousand, three hundred three".

Divisors: 1 3 7 21 29 87 203 421 609 1263 2947 8841 12209 36627 85463 90227 256389 270681 631589 1894767 2616583 7849749 18316081 37985567 54948243 113956701 265898969 797696907 1101581443 3304744329 7711070101 23133210303