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56380872276 = 223210971427653
BaseRepresentation
bin110100100000100011…
…111101011001010100
312101112021120001211200
4310200203331121110
51410432000403101
641522341432500
74034112335631
oct644043753124
9171467501750
1056380872276
1121a02594913
12ab15a0b730
135416a109b1
142a2bd65188
1516eeb63986
hexd208fd654

56380872276 has 36 divisors (see below), whose sum is σ = 142648332372. Its totient is φ = 18776479104.

The previous prime is 56380872263. The next prime is 56380872277. The reversal of 56380872276 is 67227808365.

56380872276 is a `hidden beast` number, since 563 + 8 + 0 + 8 + 7 + 2 + 2 + 76 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12227936400 + 44152935876 = 110580^2 + 210126^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56380872277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674335 + ... + 753318.

It is an arithmetic number, because the mean of its divisors is an integer number (3962453677).

Almost surely, 256380872276 is an apocalyptic number.

It is an amenable number.

56380872276 is an abundant number, since it is smaller than the sum of its proper divisors (86267460096).

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

56380872276 is a wasteful number, since it uses less digits than its factorization.

56380872276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428760 (or 1428755 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 56380872276 in words is "fifty-six billion, three hundred eighty million, eight hundred seventy-two thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 1097 2194 3291 4388 6582 9873 13164 19746 39492 1427653 2855306 4282959 5710612 8565918 12848877 17131836 25697754 51395508 1566135341 3132270682 4698406023 6264541364 9396812046 14095218069 18793624092 28190436138 56380872276