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25068659825 = 5211367248389
BaseRepresentation
bin10111010110001101…
…010110010001110001
32101201002002212101102
4113112031112101301
5402320034103300
615303312214145
71545140043536
oct272615262161
971632085342
1025068659825
11a6a4672190
124a3753a355
132496826031
1412db53ad8d
159bac360d5
hex5d6356471

25068659825 has 24 divisors (see below), whose sum is σ = 34003597440. Its totient is φ = 18182001600.

The previous prime is 25068659809. The next prime is 25068659849. The reversal of 25068659825 is 52895686052.

It is not a de Polignac number, because 25068659825 - 24 = 25068659809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23270 + ... + 225119.

It is an arithmetic number, because the mean of its divisors is an integer number (1416816560).

Almost surely, 225068659825 is an apocalyptic number.

25068659825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25068659825 is a deficient number, since it is larger than the sum of its proper divisors (8934937615).

25068659825 is a wasteful number, since it uses less digits than its factorization.

25068659825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248777 (or 248772 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 56.

The spelling of 25068659825 in words is "twenty-five billion, sixty-eight million, six hundred fifty-nine thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 275 367 1835 4037 9175 20185 100925 248389 1241945 2732279 6209725 13661395 68306975 91158763 455793815 1002746393 2278969075 5013731965 25068659825