Base | Representation |
---|---|
bin | 11110100101101111100… |
… | …101111000101010001000 |
3 | 21102221220202002210001012 |
4 | 132211233211320222020 |
5 | 233420110432210440 |
6 | 4245410242343052 |
7 | 304605163320065 |
oct | 36455745705210 |
9 | 7387822083035 |
10 | 2102111210120 |
11 | 740555a81339 |
12 | 29b4a095aa88 |
13 | 1232c758826c |
14 | 73a58077c6c |
15 | 39a32745e65 |
hex | 1e96f978a88 |
2102111210120 has 64 divisors (see below), whose sum is σ = 4827594297600. Its totient is φ = 823626580480.
The previous prime is 2102111210083. The next prime is 2102111210201. The reversal of 2102111210120 is 210121112012.
It is a junction number, because it is equal to n+sod(n) for n = 2102111210095 and 2102111210104.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2378336 + ... + 3140175.
It is an arithmetic number, because the mean of its divisors is an integer number (75431160900).
Almost surely, 22102111210120 is an apocalyptic number.
2102111210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2102111210120 is an abundant number, since it is smaller than the sum of its proper divisors (2725483087480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102111210120 is a wasteful number, since it uses less digits than its factorization.
2102111210120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5518718 (or 5518714 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 2102111210120 its reverse (210121112012), we get a palindrome (2312232322132).
The spelling of 2102111210120 in words is "two trillion, one hundred two billion, one hundred eleven million, two hundred ten thousand, one hundred twenty".
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