Base | Representation |
---|---|
bin | 10110111011100111… |
… | …11000100000000100 |
3 | 1011202222212211210210 |
4 | 23131303320200010 |
5 | 200203143100400 |
6 | 5353345515420 |
7 | 614041216131 |
oct | 133563704004 |
9 | 34688784723 |
10 | 12311300100 |
11 | 5248453a90 |
12 | 2477042b70 |
13 | 12127bab78 |
14 | 84b0d3588 |
15 | 4c0c62950 |
hex | 2ddcf8804 |
12311300100 has 72 divisors (see below), whose sum is σ = 38858950368. Its totient is φ = 2984556800.
The previous prime is 12311300083. The next prime is 12311300107. The reversal of 12311300100 is 100311321.
It is a super-2 number, since 2×123113001002 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (12311300107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1862049 + ... + 1868648.
It is an arithmetic number, because the mean of its divisors is an integer number (539707644).
Almost surely, 212311300100 is an apocalyptic number.
12311300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12311300100 is an abundant number, since it is smaller than the sum of its proper divisors (26547650268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12311300100 is a wasteful number, since it uses less digits than its factorization.
12311300100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3730725 (or 3730718 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 12311300100 its reverse (100311321), we get a palindrome (12411611421).
The spelling of 12311300100 in words is "twelve billion, three hundred eleven million, three hundred thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •