Base | Representation |
---|---|
bin | 101111100011101111… |
… | …1001111010110000111 |
3 | 100202121200200121010120 |
4 | 1133013133033112013 |
5 | 3133131030244421 |
6 | 114530211553023 |
7 | 10243622024052 |
oct | 1370737172607 |
9 | 322550617116 |
10 | 102131103111 |
11 | 3a34a388444 |
12 | 179635bb773 |
13 | 982819a6bb |
14 | 4d2c0c5a99 |
15 | 29cb3978c6 |
hex | 17c77cf587 |
102131103111 has 16 divisors (see below), whose sum is σ = 139984462080. Its totient is φ = 66208847040.
The previous prime is 102131103097. The next prime is 102131103131. The reversal of 102131103111 is 111301131201.
It is not a de Polignac number, because 102131103111 - 25 = 102131103079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102131103131) 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, 3268621 + ... + 3299718.
It is an arithmetic number, because the mean of its divisors is an integer number (8749028880).
Almost surely, 2102131103111 is an apocalyptic number.
102131103111 is a deficient number, since it is larger than the sum of its proper divisors (37853358969).
102131103111 is an equidigital number, since it uses as much as digits as its factorization.
102131103111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6568486.
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 102131103111 its reverse (111301131201), we get a palindrome (213432234312).
The spelling of 102131103111 in words is "one hundred two billion, one hundred thirty-one million, one hundred three thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •