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60051005561 = 99676024983
BaseRepresentation
bin110111111011010100…
…011010000001111001
312202000001120011020002
4313323110122001321
51440441024134221
643330445242345
74224056060651
oct677324320171
9182001504202
1060051005561
1123516255318
12b77ab633b5
1358801a81b1
142c9956d361
151866e7a80b
hexdfb51a079

60051005561 has 4 divisors (see below), whose sum is σ = 60057040512. Its totient is φ = 60044970612.

The previous prime is 60051005549. The next prime is 60051005563. The reversal of 60051005561 is 16550015006.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60051005561 - 222 = 60046811257 is a prime.

It is a super-2 number, since 2×600510055612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60051005563) 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, 3002525 + ... + 3022458.

It is an arithmetic number, because the mean of its divisors is an integer number (15014260128).

Almost surely, 260051005561 is an apocalyptic number.

It is an amenable number.

60051005561 is a deficient number, since it is larger than the sum of its proper divisors (6034951).

60051005561 is an equidigital number, since it uses as much as digits as its factorization.

60051005561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034950.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 60051005561 in words is "sixty billion, fifty-one million, five thousand, five hundred sixty-one".

Divisors: 1 9967 6024983 60051005561