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56001110020 = 22531107844153
BaseRepresentation
bin110100001001111011…
…010010000000000100
312100112210222010221221
4310021323102000010
51404142241010040
641420534050124
74021521403222
oct641173220004
9170483863857
1056001110020
1121828191909
12aa2a7a9944
135386136abb
1429d374bb12
1516cb64b74a
hexd09ed2004

56001110020 has 48 divisors (see below), whose sum is σ = 122530641408. Its totient is φ = 21475226880.

The previous prime is 56001110003. The next prime is 56001110057. The reversal of 56001110020 is 2001110065.

It is a happy number.

It is a super-2 number, since 2×560011100202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56001109976 and 56001110003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355737 + ... + 488416.

It is an arithmetic number, because the mean of its divisors is an integer number (2552721696).

Almost surely, 256001110020 is an apocalyptic number.

It is an amenable number.

56001110020 is an abundant number, since it is smaller than the sum of its proper divisors (66529531388).

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

56001110020 is a wasteful number, since it uses less digits than its factorization.

56001110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844300 (or 844298 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 56001110020 its reverse (2001110065), we get a palindrome (58002220085).

The spelling of 56001110020 in words is "fifty-six billion, one million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 107 124 155 214 310 428 535 620 1070 2140 3317 6634 13268 16585 33170 66340 844153 1688306 3376612 4220765 8441530 16883060 26168743 52337486 90324371 104674972 130843715 180648742 261687430 361297484 451621855 523374860 903243710 1806487420 2800055501 5600111002 11200222004 14000277505 28000555010 56001110020