Base | Representation |
---|---|
bin | 101111101001001011… |
… | …0110011101011101111 |
3 | 100210002101210101002220 |
4 | 1133102112303223233 |
5 | 3134014220121111 |
6 | 115000244050423 |
7 | 10251264623313 |
oct | 1372226635357 |
9 | 323071711086 |
10 | 102313442031 |
11 | 3a4332a8369 |
12 | 179b4693a13 |
13 | 9856bb0058 |
14 | 4d483cbb43 |
15 | 29dc3b3e06 |
hex | 17d25b3aef |
102313442031 has 8 divisors (see below), whose sum is σ = 140104893744. Its totient is φ = 66365475840.
The previous prime is 102313442027. The next prime is 102313442047. The reversal of 102313442031 is 130244313201.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102313442031 - 22 = 102313442027 is a prime.
It is a super-2 number, since 2×1023134420312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102313441992 and 102313442010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102313442071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460871250 + ... + 460871471.
It is an arithmetic number, because the mean of its divisors is an integer number (17513111718).
Almost surely, 2102313442031 is an apocalyptic number.
102313442031 is a deficient number, since it is larger than the sum of its proper divisors (37791451713).
102313442031 is an equidigital number, since it uses as much as digits as its factorization.
102313442031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921742761.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 102313442031 its reverse (130244313201), we get a palindrome (232557755232).
The spelling of 102313442031 in words is "one hundred two billion, three hundred thirteen million, four hundred forty-two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •