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23133213400 = 23521110515097
BaseRepresentation
bin10101100010110110…
…001101001011011000
32012201012020000000111
4111202312031023120
5334334100312100
614343253014104
71446156032563
oct254266151330
965635200014
1023133213400
1198a1106690
124597324334
13224886146b
1411964874da
15905d756ba
hex562d8d2d8

23133213400 has 48 divisors (see below), whose sum is σ = 58674246840. Its totient is φ = 8412076800.

The previous prime is 23133213379. The next prime is 23133213413. The reversal of 23133213400 is 431233132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5255349 + ... + 5259748.

Almost surely, 223133213400 is an apocalyptic number.

23133213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133213400 is an abundant number, since it is smaller than the sum of its proper divisors (35541033440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23133213400 is a wasteful number, since it uses less digits than its factorization.

23133213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10515124 (or 10515115 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23133213400 its reverse (431233132), we get a palindrome (23564446532).

The spelling of 23133213400 in words is "twenty-three billion, one hundred thirty-three million, two hundred thirteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 10515097 21030194 42060388 52575485 84120776 105150970 115666067 210301940 231332134 262877425 420603880 462664268 525754850 578330335 925328536 1051509700 1156660670 2103019400 2313321340 2891651675 4626642680 5783303350 11566606700 23133213400