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56207011061 = 101355485697
BaseRepresentation
bin110100010110001100…
…101110110011110101
312101002011102000002102
4310112030232303311
51410102443323221
641453211151445
74026601465625
oct642614566365
9171064360072
1056207011061
1121923435363
12aa87745585
1353b99a9036
142a12c28885
1516de76e30b
hexd1632ecf5

56207011061 has 4 divisors (see below), whose sum is σ = 56262497772. Its totient is φ = 56151524352.

The previous prime is 56207011051. The next prime is 56207011103. The reversal of 56207011061 is 16011070265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3724782961 + 52482228100 = 61031^2 + 229090^2 .

It is a cyclic number.

It is not a de Polignac number, because 56207011061 - 214 = 56206994677 is a prime.

It is a super-2 number, since 2×562070110612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56207011051) 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, 27741836 + ... + 27743861.

It is an arithmetic number, because the mean of its divisors is an integer number (14065624443).

Almost surely, 256207011061 is an apocalyptic number.

It is an amenable number.

56207011061 is a deficient number, since it is larger than the sum of its proper divisors (55486711).

56207011061 is a wasteful number, since it uses less digits than its factorization.

56207011061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55486710.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 56207011061 in words is "fifty-six billion, two hundred seven million, eleven thousand, sixty-one".

Divisors: 1 1013 55485697 56207011061