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23292240725 = 521371668433
BaseRepresentation
bin10101101100010100…
…110110001101010101
32020010021110102111102
4111230110312031111
5340200303200400
614411133315445
71453126531235
oct255424661525
966107412442
1023292240725
119972954226
124620635b85
1322727a1280
1411ad641cc5
15914cd99d5
hex56c536355

23292240725 has 12 divisors (see below), whose sum is σ = 31104100356. Its totient is φ = 17200423680.

The previous prime is 23292240707. The next prime is 23292240749. The reversal of 23292240725 is 52704229232.

It can be written as a sum of positive squares in 6 ways, for example, as 5877215569 + 17415025156 = 76663^2 + 131966^2 .

It is not a de Polignac number, because 23292240725 - 28 = 23292240469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35833892 + ... + 35834541.

It is an arithmetic number, because the mean of its divisors is an integer number (2592008363).

Almost surely, 223292240725 is an apocalyptic number.

23292240725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23292240725 is a deficient number, since it is larger than the sum of its proper divisors (7811859631).

23292240725 is a wasteful number, since it uses less digits than its factorization.

23292240725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71668456 (or 71668451 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 23292240725 its reverse (52704229232), we get a palindrome (75996469957).

The spelling of 23292240725 in words is "twenty-three billion, two hundred ninety-two million, two hundred forty thousand, seven hundred twenty-five".

Divisors: 1 5 13 25 65 325 71668433 358342165 931689629 1791710825 4658448145 23292240725