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67161000050 = 2521343220001
BaseRepresentation
bin111110100011000110…
…111000100001110010
320102100120021022002022
4332203012320201302
52100021204000200
650504153151442
74565212036604
oct764306704162
9212316238068
1067161000050
11265346a7421
12110240bb582
136444213b21
14337195d174
151b31270885
hexfa31b8872

67161000050 has 12 divisors (see below), whose sum is σ = 124919460186. Its totient is φ = 26864400000.

The previous prime is 67161000047. The next prime is 67161000119. The reversal of 67161000050 is 5000016176.

67161000050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 37899134329 + 29261865721 = 194677^2 + 171061^2 .

It is a super-2 number, since 2×671610000502 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67160999983 and 67161000019.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 671609951 + ... + 671610050.

Almost surely, 267161000050 is an apocalyptic number.

67161000050 is a deficient number, since it is larger than the sum of its proper divisors (57758460136).

67161000050 is a wasteful number, since it uses less digits than its factorization.

67161000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343220013 (or 1343220008 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 67161000050 in words is "sixty-seven billion, one hundred sixty-one million, fifty", and thus it is an aban number.

Divisors: 1 2 5 10 25 50 1343220001 2686440002 6716100005 13432200010 33580500025 67161000050