Search a number
-
+
25908530054 = 21131377114461
BaseRepresentation
bin11000001000010001…
…001100101110000110
32110212121110200202012
4120020101030232012
5411030040430204
615522513414222
71605015605021
oct301021145606
973777420665
1025908530054
11aa95765110
12503086a372
13259b828674
14137acc41b8
15a1983676e
hex60844cb86

25908530054 has 64 divisors (see below), whose sum is σ = 45582372864. Its totient is φ = 10931760000.

The previous prime is 25908530041. The next prime is 25908530059. The reversal of 25908530054 is 45003580952.

It is a junction number, because it is equal to n+sod(n) for n = 25908529993 and 25908530020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25908530059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1784384 + ... + 1798844.

It is an arithmetic number, because the mean of its divisors is an integer number (712224576).

Almost surely, 225908530054 is an apocalyptic number.

25908530054 is a deficient number, since it is larger than the sum of its proper divisors (19673842810).

25908530054 is a wasteful number, since it uses less digits than its factorization.

25908530054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14613.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 25908530054 in words is "twenty-five billion, nine hundred eight million, five hundred thirty thousand, fifty-four".

Divisors: 1 2 11 22 31 37 62 71 74 142 341 407 682 781 814 1147 1562 2201 2294 2627 4402 5254 12617 14461 24211 25234 28897 28922 48422 57794 81437 159071 162874 318142 448291 535057 895807 896582 1026731 1070114 1791614 2053462 4931201 5885627 9862402 11294041 11771254 16586767 22588082 31828661 33173534 37989047 63657322 75978094 182454437 350115271 364908874 417879517 700230542 835759034 1177660457 2355320914 12954265027 25908530054