Search a number
-
+
25068537290 = 257142738263
BaseRepresentation
bin10111010110001100…
…111000010111001010
32101201001212122022002
4113112030320113022
5402320021143130
615303305431002
71545136023356
oct272614702712
971631778262
1025068537290
11a6a4599115
124a3749b462
1324967b2324
1412db508466
159bac0eb45
hex5d63385ca

25068537290 has 32 divisors (see below), whose sum is σ = 45775155456. Its totient is φ = 9882673920.

The previous prime is 25068537133. The next prime is 25068537301. The reversal of 25068537290 is 9273586052.

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, 3029699 + ... + 3037961.

It is an arithmetic number, because the mean of its divisors is an integer number (1430473608).

Almost surely, 225068537290 is an apocalyptic number.

25068537290 is a deficient number, since it is larger than the sum of its proper divisors (20706618166).

25068537290 is a wasteful number, since it uses less digits than its factorization.

25068537290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 25068537290 in words is "twenty-five billion, sixty-eight million, five hundred thirty-seven thousand, two hundred ninety".

Divisors: 1 2 5 10 71 142 355 710 4273 8263 8546 16526 21365 41315 42730 82630 303383 586673 606766 1173346 1516915 2933365 3033830 5866730 35307799 70615598 176538995 353077990 2506853729 5013707458 12534268645 25068537290