Base | Representation |
---|---|
bin | 101111100011101111… |
… | …0111000101100010011 |
3 | 100202121200111212211222 |
4 | 1133013132320230103 |
5 | 3133131014312243 |
6 | 114530205555255 |
7 | 10243621156406 |
oct | 1370736705423 |
9 | 322550455758 |
10 | 102131010323 |
11 | 3a34a324761 |
12 | 17963575b2b |
13 | 98281673b4 |
14 | 4d2c09dd3d |
15 | 29cb37a168 |
hex | 17c77b8b13 |
102131010323 has 4 divisors (see below), whose sum is σ = 102910636488. Its totient is φ = 101351384160.
The previous prime is 102131010269. The next prime is 102131010343. The reversal of 102131010323 is 323010131201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102131010323 - 212 = 102131006227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102131010343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389812886 + ... + 389813147.
It is an arithmetic number, because the mean of its divisors is an integer number (25727659122).
Almost surely, 2102131010323 is an apocalyptic number.
102131010323 is a deficient number, since it is larger than the sum of its proper divisors (779626165).
102131010323 is an equidigital number, since it uses as much as digits as its factorization.
102131010323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 779626164.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 102131010323 its reverse (323010131201), we get a palindrome (425141141524).
The spelling of 102131010323 in words is "one hundred two billion, one hundred thirty-one million, ten thousand, three hundred twenty-three".
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