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5161516160511 = 31720505386837
BaseRepresentation
bin100101100011100001001…
…0101100101010111111111
3200021102202221021012122010
41023013002111211113333
51134031241114114021
614551100124222303
71041623116321314
oct113070225452777
920242687235563
105161516160511
11170aa94348537
126b440539a993
132b5962490a89
1413bb667a8d0b
158e3e234b976
hex4b1c25655ff

5161516160511 has 4 divisors (see below), whose sum is σ = 6882021547352. Its totient is φ = 3441010773672.

The previous prime is 5161516160483. The next prime is 5161516160513. The reversal of 5161516160511 is 1150616151615.

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

It is a de Polignac number, because none of the positive numbers 2k-5161516160511 is a prime.

It is a super-2 number, since 2×51615161605112 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5161516160511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161516160513) 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, 860252693416 + ... + 860252693421.

It is an arithmetic number, because the mean of its divisors is an integer number (1720505386838).

Almost surely, 25161516160511 is an apocalyptic number.

5161516160511 is a deficient number, since it is larger than the sum of its proper divisors (1720505386841).

5161516160511 is a wasteful number, since it uses less digits than its factorization.

5161516160511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720505386840.

The product of its (nonzero) digits is 27000, while the sum is 39.

The spelling of 5161516160511 in words is "five trillion, one hundred sixty-one billion, five hundred sixteen million, one hundred sixty thousand, five hundred eleven".

Divisors: 1 3 1720505386837 5161516160511