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561050051061 = 3389480762683
BaseRepresentation
bin10000010101000010011…
…00000110000111110101
31222122011112122122020210
420022201030012013311
533143012303113221
61105424241420033
755351225514403
oct10124114060765
91878145578223
10561050051061
111a6a38144455
129089a63a619
1340ba32ba846
141d225332473
15e8da652276
hex82a13061f5

561050051061 has 8 divisors (see below), whose sum is σ = 749989787040. Its totient is φ = 373071841232.

The previous prime is 561050051057. The next prime is 561050051087. The reversal of 561050051061 is 160150050165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561050051061 - 22 = 561050051057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561050051161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240380175 + ... + 240382508.

It is an arithmetic number, because the mean of its divisors is an integer number (93748723380).

Almost surely, 2561050051061 is an apocalyptic number.

It is an amenable number.

561050051061 is a deficient number, since it is larger than the sum of its proper divisors (188939735979).

561050051061 is a wasteful number, since it uses less digits than its factorization.

561050051061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480763075.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 561050051061 in words is "five hundred sixty-one billion, fifty million, fifty-one thousand, sixty-one".

Divisors: 1 3 389 1167 480762683 1442288049 187016683687 561050051061