Base | Representation |
---|---|
bin | 100001000110110110… |
… | …0101110000010100100 |
3 | 20210111212010222221100 |
4 | 1002031230232002210 |
5 | 2131101234141413 |
6 | 52354510520100 |
7 | 5064562501464 |
oct | 1021554560244 |
9 | 223455128840 |
10 | 71096787108 |
11 | 281743124a6 |
12 | 11942206030 |
13 | 6920741ac9 |
14 | 3626559ba4 |
15 | 1cb1a5ea73 |
hex | 108db2e0a4 |
71096787108 has 18 divisors (see below), whose sum is σ = 179716878614. Its totient is φ = 23698929024.
The previous prime is 71096787101. The next prime is 71096787109. The reversal of 71096787108 is 80178769017.
It can be written as a sum of positive squares in only one way, i.e., 64878202944 + 6218584164 = 254712^2 + 78858^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is not an unprimeable number, because it can be changed into a prime (71096787101) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 987455341 + ... + 987455412.
Almost surely, 271096787108 is an apocalyptic number.
It is an amenable number.
71096787108 is an abundant number, since it is smaller than the sum of its proper divisors (108620091506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71096787108 is a wasteful number, since it uses less digits than its factorization.
71096787108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1974910763 (or 1974910758 counting only the distinct ones).
The product of its (nonzero) digits is 1185408, while the sum is 54.
The spelling of 71096787108 in words is "seventy-one billion, ninety-six million, seven hundred eighty-seven thousand, one hundred eight".
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