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23210532312 = 2331187918683
BaseRepresentation
bin10101100111011101…
…001001110111011000
32012220120201012121220
4111213131021313120
5340013344013222
614355054132040
71451115161262
oct254735116730
965816635556
1023210532312
119930816510
1245b91b1020
13225b8933b6
1411a2852b32
1590ca49b5c
hex567749dd8

23210532312 has 32 divisors (see below), whose sum is σ = 63301452480. Its totient is φ = 7033494560.

The previous prime is 23210532287. The next prime is 23210532313. The reversal of 23210532312 is 21323501232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210532313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43959078 + ... + 43959605.

It is an arithmetic number, because the mean of its divisors is an integer number (1978170390).

Almost surely, 223210532312 is an apocalyptic number.

23210532312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23210532312 is an abundant number, since it is smaller than the sum of its proper divisors (40090920168).

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

23210532312 is a wasteful number, since it uses less digits than its factorization.

23210532312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87918703 (or 87918699 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 23210532312 in words is "twenty-three billion, two hundred ten million, five hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 87918683 175837366 263756049 351674732 527512098 703349464 967105513 1055024196 1934211026 2110048392 2901316539 3868422052 5802633078 7736844104 11605266156 23210532312