Search a number
-
+
25152530234 = 2131794760091
BaseRepresentation
bin10111011011001101…
…010010011100111010
32101220220220220221212
4113123031102130322
5403003021431414
615315510003122
71550205656636
oct273315223472
971826826855
1025152530234
11a737a47277
124a5b6464a2
1324ab00ccb0
14130872ddc6
159c32a183e
hex5db35273a

25152530234 has 32 divisors (see below), whose sum is σ = 43067215296. Its totient is φ = 10914266880.

The previous prime is 25152530197. The next prime is 25152530267. The reversal of 25152530234 is 43203525152.

It is a self number, because there is not a number n which added to its sum of digits gives 25152530234.

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, 388529 + ... + 448619.

It is an arithmetic number, because the mean of its divisors is an integer number (1345850478).

Almost surely, 225152530234 is an apocalyptic number.

25152530234 is a deficient number, since it is larger than the sum of its proper divisors (17914685062).

25152530234 is a wasteful number, since it uses less digits than its factorization.

25152530234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61070.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 25152530234 in words is "twenty-five billion, one hundred fifty-two million, five hundred thirty thousand, two hundred thirty-four".

Divisors: 1 2 13 17 26 34 221 442 947 1894 12311 16099 24622 32198 60091 120182 209287 418574 781183 1021547 1562366 2043094 13280111 26560222 56906177 113812354 739780301 967405009 1479560602 1934810018 12576265117 25152530234