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56723233764 = 22319376723949
BaseRepresentation
bin110100110100111101…
…111101101111100100
312102102010202211111210
4310310331331233210
51412132121440024
642020331431420
74045440350241
oct646475755744
9172363684453
1056723233764
112206887209a
12abb05b5570
13546c921162
142a616045c8
15171ec3e129
hexd34f7dbe4

56723233764 has 48 divisors (see below), whose sum is σ = 143085656000. Its totient is φ = 17428473216.

The previous prime is 56723233747. The next prime is 56723233781. The reversal of 56723233764 is 46733232765.

It is an interprime number because it is at equal distance from previous prime (56723233747) and next prime (56723233781).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3353539 + ... + 3370410.

Almost surely, 256723233764 is an apocalyptic number.

It is an amenable number.

56723233764 is an abundant number, since it is smaller than the sum of its proper divisors (86362422236).

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

56723233764 is a wasteful number, since it uses less digits than its factorization.

56723233764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724012 (or 6724010 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 48.

Subtracting from 56723233764 its reverse (46733232765), we obtain a palindrome (9990000999).

The spelling of 56723233764 in words is "fifty-six billion, seven hundred twenty-three million, two hundred thirty-three thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 222 228 444 703 1406 2109 2812 4218 8436 6723949 13447898 20171847 26895796 40343694 80687388 127755031 248786113 255510062 383265093 497572226 511020124 746358339 766530186 995144452 1492716678 1533060372 2985433356 4726936147 9453872294 14180808441 18907744588 28361616882 56723233764