Search a number
-
+
10787854656 = 263192957197
BaseRepresentation
bin10100000110000000…
…11001100101000000
31000211211020210112110
422003000121211000
5134043142322111
64542245055320
7531222152205
oct120300314500
930754223473
1010787854656
11463650a967
1221109b7540
13102bcaa167
14744a49cac
154321365a6
hex283019940

10787854656 has 56 divisors (see below), whose sum is σ = 30045131680. Its totient is φ = 3406689792.

The previous prime is 10787854639. The next prime is 10787854661. The reversal of 10787854656 is 65645878701.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 10787854596 and 10787854605.

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, 1474951 + ... + 1482246.

Almost surely, 210787854656 is an apocalyptic number.

10787854656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10787854656 is an abundant number, since it is smaller than the sum of its proper divisors (19257277024).

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

10787854656 is a wasteful number, since it uses less digits than its factorization.

10787854656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957231 (or 2957221 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 10787854656 in words is "ten billion, seven hundred eighty-seven million, eight hundred fifty-four thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 228 304 456 608 912 1216 1824 3648 2957197 5914394 8871591 11828788 17743182 23657576 35486364 47315152 56186743 70972728 94630304 112373486 141945456 168560229 189260608 224746972 283890912 337120458 449493944 567781824 674240916 898987888 1348481832 1797975776 2696963664 3595951552 5393927328 10787854656