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60051001061 = 89674730349
BaseRepresentation
bin110111111011010100…
…011000111011100101
312202000001112221001102
4313323110120323211
51440441024013221
643330445205445
74224056041562
oct677324307345
9182001487042
1060051001061
11235162519a7
12b77ab60885
1358801a612c
142c9956b869
151866e7930b
hexdfb518ee5

60051001061 has 4 divisors (see below), whose sum is σ = 60725731500. Its totient is φ = 59376270624.

The previous prime is 60051001051. The next prime is 60051001117. The reversal of 60051001061 is 16010015006.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16010015006 = 28005007503.

It can be written as a sum of positive squares in 2 ways, for example, as 19242960961 + 40808040100 = 138719^2 + 202010^2 .

It is a cyclic number.

It is not a de Polignac number, because 60051001061 - 214 = 60050984677 is a prime.

It is a super-2 number, since 2×600510010612 (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 (60051001051) 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, 337365086 + ... + 337365263.

It is an arithmetic number, because the mean of its divisors is an integer number (15181432875).

Almost surely, 260051001061 is an apocalyptic number.

It is an amenable number.

60051001061 is a deficient number, since it is larger than the sum of its proper divisors (674730439).

60051001061 is an equidigital number, since it uses as much as digits as its factorization.

60051001061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674730438.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 60051001061 its reverse (16010015006), we get a palindrome (76061016067).

The spelling of 60051001061 in words is "sixty billion, fifty-one million, one thousand, sixty-one".

Divisors: 1 89 674730349 60051001061