Base | Representation |
---|---|
bin | 101111101111101001… |
… | …1011110001010001011 |
3 | 100210122112112202120021 |
4 | 1133133103132022023 |
5 | 3134440322434433 |
6 | 115034004041311 |
7 | 10256543216530 |
oct | 1373723361213 |
9 | 323575482507 |
10 | 102530671243 |
11 | 3a534988940 |
12 | 17a55393237 |
13 | 988cbba550 |
14 | 4d691b6d87 |
15 | 2a014c322d |
hex | 17df4de28b |
102530671243 has 32 divisors (see below), whose sum is σ = 138187348992. Its totient is φ = 73467734400.
The previous prime is 102530671237. The next prime is 102530671253. The reversal of 102530671243 is 342176035201.
It is a cyclic number.
It is not a de Polignac number, because 102530671243 - 29 = 102530670731 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102530671199 and 102530671208.
It is not an unprimeable number, because it can be changed into a prime (102530671253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68533 + ... + 457993.
It is an arithmetic number, because the mean of its divisors is an integer number (4318354656).
Almost surely, 2102530671243 is an apocalyptic number.
102530671243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
102530671243 is a deficient number, since it is larger than the sum of its proper divisors (35656677749).
102530671243 is a wasteful number, since it uses less digits than its factorization.
102530671243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 389755.
The product of its (nonzero) digits is 30240, while the sum is 34.
The spelling of 102530671243 in words is "one hundred two billion, five hundred thirty million, six hundred seventy-one thousand, two hundred forty-three".
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