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23135566553132 = 22111741532271991
BaseRepresentation
bin1010100001010101010110…
…01110011110000000101100
310000220201221102010020002012
411100222223032132000230
511013023120014200012
6121112155455220352
74605326622664145
oct520525316360054
9100821842106065
1023135566553132
11740a8141a3680
1227179b25176b8
13cba8a0031a87
1459daa5a3cacc
152a1c20ea7622
hex150aab39e02c

23135566553132 has 288 divisors, whose sum is σ = 49057228136448. Its totient is φ = 9429488640000.

The previous prime is 23135566553123. The next prime is 23135566553137.

23135566553132 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (23135566553137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23345677157 + ... + 23345678147.

It is an arithmetic number, because the mean of its divisors is an integer number (170337597696).

Almost surely, 223135566553132 is an apocalyptic number.

23135566553132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23135566553132 is an abundant number, since it is smaller than the sum of its proper divisors (25921661583316).

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

23135566553132 is a wasteful number, since it uses less digits than its factorization.

23135566553132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1386 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 50.

It can be divided in two parts, 2313556 and 6553132, that added together give a palindrome (8866688).

The spelling of 23135566553132 in words is "twenty-three trillion, one hundred thirty-five billion, five hundred sixty-six million, five hundred fifty-three thousand, one hundred thirty-two".