Base | Representation |
---|---|
bin | 110111111110100110… |
… | …1101001101011001101 |
3 | 102111021210201011011110 |
4 | 1233331031221223031 |
5 | 3432143324044323 |
6 | 131120315242233 |
7 | 11453654645562 |
oct | 1577515515315 |
9 | 374253634143 |
10 | 120212331213 |
11 | 46a887aa767 |
12 | 1b36aa49379 |
13 | b44a19b340 |
14 | 5b65618869 |
15 | 31d8948793 |
hex | 1bfd369acd |
120212331213 has 16 divisors (see below), whose sum is σ = 173124800576. Its totient is φ = 73757295360.
The previous prime is 120212331191. The next prime is 120212331269. The reversal of 120212331213 is 312133212021.
It is not a de Polignac number, because 120212331213 - 220 = 120211282637 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 120212331213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120212331313) 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, 4560103 + ... + 4586388.
It is an arithmetic number, because the mean of its divisors is an integer number (10820300036).
Almost surely, 2120212331213 is an apocalyptic number.
120212331213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
120212331213 is a deficient number, since it is larger than the sum of its proper divisors (52912469363).
120212331213 is a wasteful number, since it uses less digits than its factorization.
120212331213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9146844.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 120212331213 its reverse (312133212021), we get a palindrome (432345543234).
The spelling of 120212331213 in words is "one hundred twenty billion, two hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".
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