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23125220352 = 2103213251769
BaseRepresentation
bin10101100010010111…
…101101110000000000
32012200122011220121200
4111202113231300000
5334330024022402
614342405421200
71446031062333
oct254227556000
965618156550
1023125220352
119897647363
12459470a800
132246cc3250
1411953a661a
159052e721c
hex5625edc00

23125220352 has 264 divisors, whose sum is σ = 72290378160. Its totient is φ = 7077888000.

The previous prime is 23125220317. The next prime is 23125220357. The reversal of 23125220352 is 25302252132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125220357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30071424 + ... + 30072192.

It is an arithmetic number, because the mean of its divisors is an integer number (273827190).

Almost surely, 223125220352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23125220352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36145189080).

23125220352 is an abundant number, since it is smaller than the sum of its proper divisors (49165157808).

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

23125220352 is a wasteful number, since it uses less digits than its factorization.

23125220352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 23125220352 its reverse (25302252132), we get a palindrome (48427472484).

The spelling of 23125220352 in words is "twenty-three billion, one hundred twenty-five million, two hundred twenty thousand, three hundred fifty-two".