Base | Representation |
---|---|
bin | 101000110110111011… |
… | …0001110000011010100 |
3 | 22101110220120102202101 |
4 | 1101231312032003110 |
5 | 2414144010311141 |
6 | 104150325251444 |
7 | 6224223016150 |
oct | 1215566160324 |
9 | 271426512671 |
10 | 87742275796 |
11 | 3423625551a |
12 | 15008863b84 |
13 | 837415c7b6 |
14 | 4365116060 |
15 | 243805b531 |
hex | 146dd8e0d4 |
87742275796 has 12 divisors (see below), whose sum is σ = 175484551648. Its totient is φ = 37603832472.
The previous prime is 87742275781. The next prime is 87742275833. The reversal of 87742275796 is 69757224778.
87742275796 is an admirable number.
It is a super-2 number, since 2×877422757962 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566826326 + ... + 1566826381.
Almost surely, 287742275796 is an apocalyptic number.
It is an amenable number.
87742275796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87742275796 is a wasteful number, since it uses less digits than its factorization.
87742275796 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3133652718 (or 3133652716 counting only the distinct ones).
The product of its digits is 82978560, while the sum is 64.
The spelling of 87742275796 in words is "eighty-seven billion, seven hundred forty-two million, two hundred seventy-five thousand, seven hundred ninety-six".
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