Search a number
-
+
25260630426 = 23231113400619
BaseRepresentation
bin10111100001101001…
…101010000110011010
32102012110022222112200
4113201221222012122
5403213210133201
615334330551030
71552660546563
oct274151520632
972173288480
1025260630426
11a792a70579
124a8b898476
1324c752b6c5
141318c2d16a
159cca06386
hex5e1a6a19a

25260630426 has 48 divisors (see below), whose sum is σ = 56997008640. Its totient is φ = 8076458880.

The previous prime is 25260630413. The next prime is 25260630431. The reversal of 25260630426 is 62403606252.

25260630426 is a `hidden beast` number, since 2 + 5 + 2 + 606 + 3 + 0 + 42 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137256 + ... + 263363.

It is an arithmetic number, because the mean of its divisors is an integer number (1187437680).

Almost surely, 225260630426 is an apocalyptic number.

25260630426 is an abundant number, since it is smaller than the sum of its proper divisors (31736378214).

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

25260630426 is a wasteful number, since it uses less digits than its factorization.

25260630426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400771 (or 400768 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 25260630426 in words is "twenty-five billion, two hundred sixty million, six hundred thirty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 31 62 93 113 186 226 279 339 558 678 1017 2034 3503 7006 10509 21018 31527 63054 400619 801238 1201857 2403714 3605571 7211142 12419189 24838378 37257567 45269947 74515134 90539894 111772701 135809841 223545402 271619682 407429523 814859046 1403368357 2806736714 4210105071 8420210142 12630315213 25260630426