Base | Representation |
---|---|
bin | 101111100100100011… |
… | …0110010010110001001 |
3 | 100202200120202122222002 |
4 | 1133021012302112021 |
5 | 3133210002403210 |
6 | 114533021440345 |
7 | 10244401526462 |
oct | 1371106622611 |
9 | 322616678862 |
10 | 102158247305 |
11 | 3a363738264 |
12 | 179707100b5 |
13 | 98309b285a |
14 | 4d3194dd69 |
15 | 29cd95a4a5 |
hex | 17c91b2589 |
102158247305 has 24 divisors (see below), whose sum is σ = 130384245888. Its totient is φ = 76825242368.
The previous prime is 102158247287. The next prime is 102158247313. The reversal of 102158247305 is 503742851201.
It is not a de Polignac number, because 102158247305 - 28 = 102158247049 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1152272 + ... + 1237758.
It is an arithmetic number, because the mean of its divisors is an integer number (5432676912).
Almost surely, 2102158247305 is an apocalyptic number.
It is an amenable number.
102158247305 is a deficient number, since it is larger than the sum of its proper divisors (28225998583).
102158247305 is an equidigital number, since it uses as much as digits as its factorization.
102158247305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86353 (or 86336 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 38.
The spelling of 102158247305 in words is "one hundred two billion, one hundred fifty-eight million, two hundred forty-seven thousand, three hundred five".
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