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231313152072 = 23339724277199
BaseRepresentation
bin1101011101101101010…
…1101001100001001000
3211010001121111121212110
43113123111221201020
512242212131331242
6254132551342320
722466104231362
oct3273325514110
9733047447773
10231313152072
118a110275882
12389b63819a0
1318a74775722
14b2a4ab1d32
15603c4da39c
hex35db569848

231313152072 has 32 divisors (see below), whose sum is σ = 579739536000. Its totient is φ = 76910163264.

The previous prime is 231313152071. The next prime is 231313152121. The reversal of 231313152072 is 270251313132.

231313152072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231313152071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12129072 + ... + 12148127.

It is an arithmetic number, because the mean of its divisors is an integer number (18116860500).

Almost surely, 2231313152072 is an apocalyptic number.

It is an amenable number.

231313152072 is an abundant number, since it is smaller than the sum of its proper divisors (348426383928).

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

231313152072 is a wasteful number, since it uses less digits than its factorization.

231313152072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24277605 (or 24277601 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 231313152072 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred fifty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 397 794 1191 1588 2382 3176 4764 9528 24277199 48554398 72831597 97108796 145663194 194217592 291326388 582652776 9638048003 19276096006 28914144009 38552192012 57828288018 77104384024 115656576036 231313152072