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23281365072025 = 5228326777122891
BaseRepresentation
bin1010100101100100111010…
…11111101011100010011001
310001102200021100202101101101
411102302131133223202121
511022420213424301100
6121303151135351401
74622010633645304
oct522623537534231
9101380240671341
1023281365072025
117466631703895
122740102082561
13ccb567007328
145a6b773cdb3b
152a5905cb386a
hex152c9d7eb899

23281365072025 has 24 divisors (see below), whose sum is σ = 28972220596704. Its totient is φ = 18558434889600.

The previous prime is 23281365072013. The next prime is 23281365072103. The reversal of 23281365072025 is 52027056318232.

It is not a de Polignac number, because 23281365072025 - 233 = 23272775137433 is a prime.

It is a super-3 number, since 3×232813650720253 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189385830 + ... + 189508720.

It is an arithmetic number, because the mean of its divisors is an integer number (1207175858196).

Almost surely, 223281365072025 is an apocalyptic number.

23281365072025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23281365072025 is a deficient number, since it is larger than the sum of its proper divisors (5690855524679).

23281365072025 is a wasteful number, since it uses less digits than its factorization.

23281365072025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149961 (or 149956 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 23281365072025 in words is "twenty-three trillion, two hundred eighty-one billion, three hundred sixty-five million, seventy-two thousand, twenty-five".

Divisors: 1 5 25 283 1415 7075 26777 122891 133885 614455 669425 3072275 7577891 34778153 37889455 173890765 189447275 869453825 3290652307 16453261535 82266307675 931254602881 4656273014405 23281365072025