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25230005025 = 352336400067
BaseRepresentation
bin10111011111110100…
…110101001100100001
32102010022201001101120
4113133310311030201
5403132340130100
615331314322453
71552136334651
oct273764651441
972108631346
1025230005025
11a777753225
124a81589429
1324c1097b74
141314b3a361
159c9ea70a0
hex5dfd35321

25230005025 has 12 divisors (see below), whose sum is σ = 41713608432. Its totient is φ = 13456002640.

The previous prime is 25230005023. The next prime is 25230005063. The reversal of 25230005025 is 52050003252.

It is not a de Polignac number, because 25230005025 - 21 = 25230005023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25230004986 and 25230005004.

It is not an unprimeable number, because it can be changed into a prime (25230005023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168199959 + ... + 168200108.

It is an arithmetic number, because the mean of its divisors is an integer number (3476134036).

Almost surely, 225230005025 is an apocalyptic number.

25230005025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25230005025 is a deficient number, since it is larger than the sum of its proper divisors (16483603407).

25230005025 is a wasteful number, since it uses less digits than its factorization.

25230005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336400080 (or 336400075 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

Adding to 25230005025 its reverse (52050003252), we get a palindrome (77280008277).

The spelling of 25230005025 in words is "twenty-five billion, two hundred thirty million, five thousand, twenty-five".

Divisors: 1 3 5 15 25 75 336400067 1009200201 1682000335 5046001005 8410001675 25230005025