Search a number
-
+
10021531160 = 235298639251
BaseRepresentation
bin10010101010101010…
…00110111000011000
3221212102021112022202
421111111012320120
5131011002444120
64334232105332
7503225416004
oct112525067030
927772245282
1010021531160
114282990763
121b38235248
13c392b87c4
146b0d69704
153d9c12875
hex255546e18

10021531160 has 32 divisors (see below), whose sum is σ = 23325980400. Its totient is φ = 3870384000.

The previous prime is 10021531159. The next prime is 10021531211. The reversal of 10021531160 is 6113512001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4318466 + ... + 4320785.

Almost surely, 210021531160 is an apocalyptic number.

10021531160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021531160 is an abundant number, since it is smaller than the sum of its proper divisors (13304449240).

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

10021531160 is a wasteful number, since it uses less digits than its factorization.

10021531160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639291 (or 8639287 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 10021531160 in words is "ten billion, twenty-one million, five hundred thirty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 8639251 17278502 34557004 43196255 69114008 86392510 172785020 250538279 345570040 501076558 1002153116 1252691395 2004306232 2505382790 5010765580 10021531160