Search a number
-
+
25054164234 = 23211161978157
BaseRepresentation
bin10111010101010110…
…000011010100001010
32101200001211102011200
4113111112003110022
5402302331223414
615302033405030
71544602611411
oct272526032412
971601742150
1025054164234
11a697471460
124a32709776
13249381c168
1412d9646478
159b9821109
hex5d558350a

25054164234 has 48 divisors (see below), whose sum is σ = 59256269280. Its totient is φ = 7587384480.

The previous prime is 25054164211. The next prime is 25054164251. The reversal of 25054164234 is 43246145052.

25054164234 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 4 + 1 + 642 + 3 + 4 = 666.

It is a super-2 number, since 2×250541642342 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281484 + ... + 359640.

It is an arithmetic number, because the mean of its divisors is an integer number (1234505610).

Almost surely, 225054164234 is an apocalyptic number.

25054164234 is an abundant number, since it is smaller than the sum of its proper divisors (34202105046).

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

25054164234 is a wasteful number, since it uses less digits than its factorization.

25054164234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79795 (or 79792 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 25054164234 in words is "twenty-five billion, fifty-four million, one hundred sixty-four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1619 3238 4857 9714 14571 17809 29142 35618 53427 78157 106854 156314 160281 234471 320562 468942 703413 859727 1406826 1719454 2579181 5158362 7737543 15475086 126536183 253072366 379608549 759217098 1138825647 1391898013 2277651294 2783796026 4175694039 8351388078 12527082117 25054164234