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25145885052 = 2233241966109
BaseRepresentation
bin10111011010110011…
…111100000101111100
32101220110102022111000
4113122303330011330
5402444321310202
615315111330300
71550065332141
oct273263740574
971813368430
1025145885052
11a734218692
124a59380990
1324a9824432
1413078c03c8
159c28dc91c
hex5dacfc17c

25145885052 has 48 divisors (see below), whose sum is σ = 65463613600. Its totient is φ = 8347173120.

The previous prime is 25145885047. The next prime is 25145885069. The reversal of 25145885052 is 25058854152.

25145885052 is a `hidden beast` number, since 2 + 5 + 14 + 588 + 5 + 0 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25145884989 and 25145885007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457027 + ... + 509082.

Almost surely, 225145885052 is an apocalyptic number.

It is an amenable number.

25145885052 is an abundant number, since it is smaller than the sum of its proper divisors (40317728548).

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

25145885052 is a wasteful number, since it uses less digits than its factorization.

25145885052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966363 (or 966355 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 45.

The spelling of 25145885052 in words is "twenty-five billion, one hundred forty-five million, eight hundred eighty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 241 482 723 964 1446 2169 2892 4338 6507 8676 13014 26028 966109 1932218 2898327 3864436 5796654 8694981 11593308 17389962 26084943 34779924 52169886 104339772 232832269 465664538 698496807 931329076 1396993614 2095490421 2793987228 4190980842 6286471263 8381961684 12572942526 25145885052