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56385818304 = 263293676137
BaseRepresentation
bin110100100000110110…
…110100111011000000
312101112121212100111220
4310200312310323000
51410434232141204
641523035435040
74034202355554
oct644066647300
9171477770456
1056385818304
1121a05362942
12ab175b5a80
135417a5303a
142a2c891864
1517002de1d9
hexd20db4ec0

56385818304 has 28 divisors (see below), whose sum is σ = 149187478104. Its totient is φ = 18795272704.

The previous prime is 56385818303. The next prime is 56385818317. The reversal of 56385818304 is 40381858365.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56385818303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146837877 + ... + 146838260.

It is an arithmetic number, because the mean of its divisors is an integer number (5328124218).

Almost surely, 256385818304 is an apocalyptic number.

It is an amenable number.

56385818304 is an abundant number, since it is smaller than the sum of its proper divisors (92801659800).

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

56385818304 is a wasteful number, since it uses less digits than its factorization.

56385818304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293676152 (or 293676142 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 56385818304 in words is "fifty-six billion, three hundred eighty-five million, eight hundred eighteen thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 293676137 587352274 881028411 1174704548 1762056822 2349409096 3524113644 4698818192 7048227288 9397636384 14096454576 18795272768 28192909152 56385818304