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1268493925 = 52103492619
BaseRepresentation
bin100101110011011…
…1010111001100101
310021101220011112111
41023212322321211
510044213301200
6325512121021
743302010006
oct11346727145
93241804474
101268493925
115a1039296
122b4996171
13172a5662a
14c067d1ad
157656a0ba
hex4b9bae65

1268493925 has 12 divisors (see below), whose sum is σ = 1588206880. Its totient is φ = 1004940720.

The previous prime is 1268493911. The next prime is 1268493971. The reversal of 1268493925 is 5293948621.

It is not a de Polignac number, because 1268493925 - 25 = 1268493893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243735 + ... + 248884.

Almost surely, 21268493925 is an apocalyptic number.

It is an amenable number.

1268493925 is a deficient number, since it is larger than the sum of its proper divisors (319712955).

1268493925 is a wasteful number, since it uses less digits than its factorization.

1268493925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492732 (or 492727 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 1268493925 is about 35615.9223522289. The cubic root of 1268493925 is about 1082.5038855473.

The spelling of 1268493925 in words is "one billion, two hundred sixty-eight million, four hundred ninety-three thousand, nine hundred twenty-five".

Divisors: 1 5 25 103 515 2575 492619 2463095 12315475 50739757 253698785 1268493925