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23361257157 = 3711324140849
BaseRepresentation
bin10101110000011100…
…000111111011000101
32020022002022211020120
4111300130013323011
5340320440212112
614422040452153
71454625260310
oct256034077305
966262284216
1023361257157
1199a89032a7
12463b77a059
132283b871b4
1411b8889977
1591adbde8c
hex570707ec5

23361257157 has 32 divisors (see below), whose sum is σ = 36063033600. Its totient is φ = 13175930880.

The previous prime is 23361257147. The next prime is 23361257209. The reversal of 23361257157 is 75175216332.

It is not a de Polignac number, because 23361257157 - 24 = 23361257141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23361257137) 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, 551469 + ... + 592317.

It is an arithmetic number, because the mean of its divisors is an integer number (1126969800).

Almost surely, 223361257157 is an apocalyptic number.

It is an amenable number.

23361257157 is a deficient number, since it is larger than the sum of its proper divisors (12701776443).

23361257157 is a wasteful number, since it uses less digits than its factorization.

23361257157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41213.

The product of its digits is 264600, while the sum is 42.

The spelling of 23361257157 in words is "twenty-three billion, three hundred sixty-one million, two hundred fifty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 113 241 339 723 791 1687 2373 5061 27233 40849 81699 122547 190631 285943 571893 857829 4615937 9844609 13847811 29533827 32311559 68912263 96934677 206736789 1112440817 3337322451 7787085719 23361257157