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23840218725 = 352317869583
BaseRepresentation
bin10110001100111111…
…001101111001100101
32021112110120120222220
4112030333031321211
5342311043444400
614541350342553
71502532341601
oct261477157145
967473516886
1023840218725
11a124200204
12475405aa59
13232c1842cb
141222326501
15947e7d7a0
hex58cfcde65

23840218725 has 12 divisors (see below), whose sum is σ = 39415828416. Its totient is φ = 12714783280.

The previous prime is 23840218711. The next prime is 23840218741. The reversal of 23840218725 is 52781204832.

It is not a de Polignac number, because 23840218725 - 217 = 23840087653 is a prime.

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, 158934717 + ... + 158934866.

It is an arithmetic number, because the mean of its divisors is an integer number (3284652368).

Almost surely, 223840218725 is an apocalyptic number.

23840218725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23840218725 is a deficient number, since it is larger than the sum of its proper divisors (15575609691).

23840218725 is a wasteful number, since it uses less digits than its factorization.

23840218725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317869596 (or 317869591 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 23840218725 in words is "twenty-three billion, eight hundred forty million, two hundred eighteen thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 317869583 953608749 1589347915 4768043745 7946739575 23840218725