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25085611300 = 2252275391121
BaseRepresentation
bin10111010111001110…
…000000110100100100
32101202021000002102211
4113113032000310210
5402333404030200
615305115413204
71545434115001
oct272716006444
971667002384
1025085611300
11a7031a0072
124a41154204
13249a1ac9a9
1412dd8b08a8
159bc483aba
hex5d7380d24

25085611300 has 36 divisors (see below), whose sum is σ = 54456147396. Its totient is φ = 10030489600.

The previous prime is 25085611249. The next prime is 25085611301. The reversal of 25085611300 is 311658052.

It can be written as a sum of positive squares in 6 ways, for example, as 2135179264 + 22950432036 = 46208^2 + 151494^2 .

It is not an unprimeable number, because it can be changed into a prime (25085611301) 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, 229740 + ... + 320860.

It is an arithmetic number, because the mean of its divisors is an integer number (1512670761).

Almost surely, 225085611300 is an apocalyptic number.

25085611300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25085611300 is an abundant number, since it is smaller than the sum of its proper divisors (29370536096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25085611300 is a wasteful number, since it uses less digits than its factorization.

25085611300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93888 (or 93881 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 25085611300 in words is "twenty-five billion, eighty-five million, six hundred eleven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2753 5506 11012 13765 27530 55060 68825 91121 137650 182242 275300 364484 455605 911210 1822420 2278025 4556050 9112100 250856113 501712226 1003424452 1254280565 2508561130 5017122260 6271402825 12542805650 25085611300