Search a number
-
+
25522049120 = 255179891133
BaseRepresentation
bin10111110001001110…
…111001000001100000
32102212200020102120112
4113301032321001200
5404232121032440
615420310030452
71562313560321
oct276116710140
972780212515
1025522049120
11a907593287
124b43348428
13253973b619
14134183c448
159e5943965
hex5f13b9060

25522049120 has 48 divisors (see below), whose sum is σ = 60632757360. Its totient is φ = 10151775744.

The previous prime is 25522049099. The next prime is 25522049129. The reversal of 25522049120 is 2194022552.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25522049129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416927 + ... + 474206.

It is an arithmetic number, because the mean of its divisors is an integer number (1263182445).

Almost surely, 225522049120 is an apocalyptic number.

25522049120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25522049120 is an abundant number, since it is smaller than the sum of its proper divisors (35110708240).

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

25522049120 is a wasteful number, since it uses less digits than its factorization.

25522049120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891327 (or 891319 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 25522049120 in words is "twenty-five billion, five hundred twenty-two million, forty-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 179 358 716 895 1432 1790 2864 3580 5728 7160 14320 28640 891133 1782266 3564532 4455665 7129064 8911330 14258128 17822660 28516256 35645320 71290640 142581280 159512807 319025614 638051228 797564035 1276102456 1595128070 2552204912 3190256140 5104409824 6380512280 12761024560 25522049120