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23431260542152 = 2317434006713499
BaseRepresentation
bin1010101001111100000111…
…11101100001010011001000
310001222000011211112020020011
411110332003331201103020
511032344210144322102
6121500101131441304
74635565323266611
oct524760375412310
9101860154466204
1023431260542152
1175141617a7111
1227651758b6234
13100c734a18198
145b0116d30c08
152a977a5e62d7
hex154f83f614c8

23431260542152 has 32 divisors (see below), whose sum is σ = 47599756380000. Its totient is φ = 10770045882624.

The previous prime is 23431260542147. The next prime is 23431260542191. The reversal of 23431260542152 is 25124506213432.

It is a super-2 number, since 2×234312605421522 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003350902 + ... + 2003362597.

It is an arithmetic number, because the mean of its divisors is an integer number (1487492386875).

Almost surely, 223431260542152 is an apocalyptic number.

It is an amenable number.

23431260542152 is an abundant number, since it is smaller than the sum of its proper divisors (24168495837848).

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

23431260542152 is a wasteful number, since it uses less digits than its factorization.

23431260542152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006713565 (or 4006713561 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 23431260542152 its reverse (25124506213432), we get a palindrome (48555766755584).

The spelling of 23431260542152 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred sixty million, five hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 17 34 43 68 86 136 172 344 731 1462 2924 5848 4006713499 8013426998 16026853996 32053707992 68114129483 136228258966 172288680457 272456517932 344577360914 544913035864 689154721828 1378309443656 2928907567769 5857815135538 11715630271076 23431260542152