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25025250252 = 2234355787071
BaseRepresentation
bin10111010011100111…
…110000001111001100
32101121001102102122110
4113103213300033030
5402222431002002
615255121544020
71544102055162
oct272347601714
971531372573
1025025250252
11a682112a02
124a24aa5010
13248a8375b2
1412d587b232
159b700de6c
hex5d39f03cc

25025250252 has 48 divisors (see below), whose sum is σ = 59858168832. Its totient is φ = 8133034560.

The previous prime is 25025250233. The next prime is 25025250269. The reversal of 25025250252 is 25205252052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243877 + ... + 330947.

It is an arithmetic number, because the mean of its divisors is an integer number (1247045184).

Almost surely, 225025250252 is an apocalyptic number.

It is an amenable number.

25025250252 is an abundant number, since it is smaller than the sum of its proper divisors (34832918580).

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

25025250252 is a wasteful number, since it uses less digits than its factorization.

25025250252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87678 (or 87676 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The spelling of 25025250252 in words is "twenty-five billion, twenty-five million, two hundred fifty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 557 1114 1671 2228 3342 6684 23951 47902 71853 87071 95804 143706 174142 261213 287412 348284 522426 1044852 3744053 7488106 11232159 14976212 22464318 44928636 48498547 96997094 145495641 193994188 290991282 581982564 2085437521 4170875042 6256312563 8341750084 12512625126 25025250252