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23025515425 = 5211102182007
BaseRepresentation
bin10101011100011011…
…010111101110100001
32012102200120101011121
4111130123113232201
5334124012443200
614324444412241
71443410436403
oct253433275641
965380511147
1023025515425
1198463375a0
124567247081
13222c453b53
141186050b73
158eb69ee1a
hex55c6d7ba1

23025515425 has 24 divisors (see below), whose sum is σ = 31178129472. Its totient is φ = 16729224000.

The previous prime is 23025515423. The next prime is 23025515509. The reversal of 23025515425 is 52451552032.

It is not a de Polignac number, because 23025515425 - 21 = 23025515423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23025515423) 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, 239772 + ... + 321778.

It is an arithmetic number, because the mean of its divisors is an integer number (1299088728).

Almost surely, 223025515425 is an apocalyptic number.

23025515425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23025515425 is a deficient number, since it is larger than the sum of its proper divisors (8152614047).

23025515425 is a wasteful number, since it uses less digits than its factorization.

23025515425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83049 (or 83044 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 23025515425 in words is "twenty-three billion, twenty-five million, five hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 1021 5105 11231 25525 56155 82007 280775 410035 902077 2050175 4510385 22551925 83729147 418645735 921020617 2093228675 4605103085 23025515425