Search a number
-
+
25006685368 = 2371314577459
BaseRepresentation
bin10111010010100000…
…111011110010111000
32101112202111020102011
4113102200323302320
5402203202412433
615253220015304
71543455214150
oct272240736270
971482436364
1025006685368
11a672692925
124a1a831534
132486a37462
1412d3207760
159b55933cd
hex5d283bcb8

25006685368 has 64 divisors (see below), whose sum is σ = 54120211200. Its totient is φ = 10610645760.

The previous prime is 25006685323. The next prime is 25006685369. The reversal of 25006685368 is 86358660052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25006685369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348823 + ... + 3356281.

It is an arithmetic number, because the mean of its divisors is an integer number (845628300).

Almost surely, 225006685368 is an apocalyptic number.

25006685368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25006685368 is an abundant number, since it is smaller than the sum of its proper divisors (29113525832).

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

25006685368 is a wasteful number, since it uses less digits than its factorization.

25006685368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060 (or 8056 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 25006685368 in words is "twenty-five billion, six million, six hundred eighty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 131 262 457 524 914 917 1048 1828 1834 3199 3656 3668 6398 7336 7459 12796 14918 25592 29836 52213 59672 59867 104426 119734 208852 239468 417704 419069 478936 838138 977129 1676276 1954258 3352552 3408763 3908516 6817526 6839903 7817032 13635052 13679806 23861341 27270104 27359612 47722682 54719224 95445364 190890728 446547953 893095906 1786191812 3125835671 3572383624 6251671342 12503342684 25006685368