Base | Representation |
---|---|
bin | 101111110011000000… |
… | …1010101010110110011 |
3 | 100210221101120210111210 |
4 | 1133212001111112303 |
5 | 3140203144411412 |
6 | 115053111211203 |
7 | 10262412065664 |
oct | 1374601252663 |
9 | 323841523453 |
10 | 102643357107 |
11 | 3a592554455 |
12 | 17a87076b03 |
13 | 98aa353285 |
14 | 4d7a14b36b |
15 | 2a0b33183c |
hex | 17e60555b3 |
102643357107 has 16 divisors (see below), whose sum is σ = 144336344960. Its totient is φ = 64703411712.
The previous prime is 102643357093. The next prime is 102643357123. The reversal of 102643357107 is 701753346201.
It is not a de Polignac number, because 102643357107 - 27 = 102643356979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102643357907) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691758 + ... + 1751379.
It is an arithmetic number, because the mean of its divisors is an integer number (9021021560).
Almost surely, 2102643357107 is an apocalyptic number.
102643357107 is a deficient number, since it is larger than the sum of its proper divisors (41692987853).
102643357107 is a wasteful number, since it uses less digits than its factorization.
102643357107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3443682.
The product of its (nonzero) digits is 105840, while the sum is 39.
The spelling of 102643357107 in words is "one hundred two billion, six hundred forty-three million, three hundred fifty-seven thousand, one hundred seven".
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