Base | Representation |
---|---|
bin | 101000111101100010… |
… | …0100001011111001001 |
3 | 22102001101000202110001 |
4 | 1101323010201133021 |
5 | 2420122304113400 |
6 | 104224332323001 |
7 | 6232555522150 |
oct | 1217304413711 |
9 | 272041022401 |
10 | 87964129225 |
11 | 3433a504265 |
12 | 1506b013461 |
13 | 83ab0c8a0b |
14 | 4386786597 |
15 | 244c780a6a |
hex | 147b1217c9 |
87964129225 has 12 divisors (see below), whose sum is σ = 124657737664. Its totient is φ = 60318259920.
The previous prime is 87964129193. The next prime is 87964129237. The reversal of 87964129225 is 52292146978.
It is a happy number.
It is not a de Polignac number, because 87964129225 - 25 = 87964129193 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251325909 + ... + 251326258.
Almost surely, 287964129225 is an apocalyptic number.
It is an amenable number.
87964129225 is a deficient number, since it is larger than the sum of its proper divisors (36693608439).
87964129225 is a wasteful number, since it uses less digits than its factorization.
87964129225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 502652184 (or 502652179 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 55.
The spelling of 87964129225 in words is "eighty-seven billion, nine hundred sixty-four million, one hundred twenty-nine thousand, two hundred twenty-five".
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