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56851799212 = 22137964321523
BaseRepresentation
bin110100111100101000…
…011001110010101100
312102202002200122011001
4310330220121302230
51412413030033322
642041203210044
74051561214515
oct647450316254
9172662618131
1056851799212
11221243a422a
12b027676924
1354904569a0
142a7470da0c
15172b187827
hexd3ca19cac

56851799212 has 48 divisors (see below), whose sum is σ = 108673815040. Its totient is φ = 25865656128.

The previous prime is 56851799149. The next prime is 56851799293. The reversal of 56851799212 is 21299715865.

56851799212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2630683 + ... + 2652205.

Almost surely, 256851799212 is an apocalyptic number.

56851799212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56851799212 is a deficient number, since it is larger than the sum of its proper divisors (51822015828).

56851799212 is a wasteful number, since it uses less digits than its factorization.

56851799212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22262 (or 22260 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 55.

The spelling of 56851799212 in words is "fifty-six billion, eight hundred fifty-one million, seven hundred ninety-nine thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 79 158 316 643 1027 1286 2054 2572 4108 8359 16718 21523 33436 43046 50797 86092 101594 203188 279799 559598 660361 1119196 1320722 1700317 2641444 3400634 6801268 13839289 22104121 27678578 44208242 55357156 88416484 179910757 359821514 719643028 1093303831 2186607662 4373215324 14212949803 28425899606 56851799212