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23431525320054 = 2329134663938621
BaseRepresentation
bin1010101001111100100111…
…01111100100010101110110
310001222000212021202100020010
411110332103233210111312
511032400230440220204
6121500143310521050
74635605020001055
oct524762357442566
9101860767670203
1023431525320054
117514288203725
12276522a506186
13100c7778330b7
145b014017639c
152a9793998d89
hex154f93be4576

23431525320054 has 16 divisors (see below), whose sum is σ = 48479017903920. Its totient is φ = 7541180562720.

The previous prime is 23431525320053. The next prime is 23431525320089. The reversal of 23431525320054 is 45002352513432.

It is a junction number, because it is equal to n+sod(n) for n = 23431525319994 and 23431525320021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431525320053) 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, 67331969137 + ... + 67331969484.

It is an arithmetic number, because the mean of its divisors is an integer number (3029938618995).

Almost surely, 223431525320054 is an apocalyptic number.

23431525320054 is an abundant number, since it is smaller than the sum of its proper divisors (25047492583866).

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

23431525320054 is a wasteful number, since it uses less digits than its factorization.

23431525320054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134663938655.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 23431525320054 its reverse (45002352513432), we get a palindrome (68433877833486).

The spelling of 23431525320054 in words is "twenty-three trillion, four hundred thirty-one billion, five hundred twenty-five million, three hundred twenty thousand, fifty-four".

Divisors: 1 2 3 6 29 58 87 174 134663938621 269327877242 403991815863 807983631726 3905254220009 7810508440018 11715762660027 23431525320054