Base | Representation |
---|---|
bin | 101111111101000110… |
… | …1101011000010000011 |
3 | 100211211000001112200221 |
4 | 1133322031223002003 |
5 | 3141401411322224 |
6 | 115150452323511 |
7 | 10303664466244 |
oct | 1377215530203 |
9 | 324730045627 |
10 | 102982135939 |
11 | 3a746804a61 |
12 | 17b60613597 |
13 | 99325aab17 |
14 | 4dad136ccb |
15 | 2a2ae506e4 |
hex | 17fa36b083 |
102982135939 has 16 divisors (see below), whose sum is σ = 105607756800. Its totient is φ = 100392836544.
The previous prime is 102982135909. The next prime is 102982135969. The reversal of 102982135939 is 939531289201.
It is an interprime number because it is at equal distance from previous prime (102982135909) and next prime (102982135969).
It is a cyclic number.
It is not a de Polignac number, because 102982135939 - 215 = 102982103171 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102982135909) 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, 5101464 + ... + 5121610.
It is an arithmetic number, because the mean of its divisors is an integer number (6600484800).
Almost surely, 2102982135939 is an apocalyptic number.
102982135939 is a deficient number, since it is larger than the sum of its proper divisors (2625620861).
102982135939 is an equidigital number, since it uses as much as digits as its factorization.
102982135939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21042.
The product of its (nonzero) digits is 1049760, while the sum is 52.
The spelling of 102982135939 in words is "one hundred two billion, nine hundred eighty-two million, one hundred thirty-five thousand, nine hundred thirty-nine".
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