Base | Representation |
---|---|
bin | 101110100111100010… |
… | …1100111101100111100 |
3 | 100120101220201212220011 |
4 | 1131033011213230330 |
5 | 3120011421334322 |
6 | 113553532433004 |
7 | 10142563330024 |
oct | 1351705475474 |
9 | 316356655804 |
10 | 100111121212 |
11 | 39503133113 |
12 | 1749b018764 |
13 | 959584823b |
14 | 4bb9b08a84 |
15 | 290dd89677 |
hex | 174f167b3c |
100111121212 has 48 divisors (see below), whose sum is σ = 189526256640. Its totient is φ = 46127809728.
The previous prime is 100111121191. The next prime is 100111121233. The reversal of 100111121212 is 212121111001.
It is a happy number.
100111121212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (100111121191) and next prime (100111121233).
It is a junction number, because it is equal to n+sod(n) for n = 100111121192 and 100111121201.
It is a congruent number.
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, 1194763 + ... + 1275805.
It is an arithmetic number, because the mean of its divisors is an integer number (3948463680).
Almost surely, 2100111121212 is an apocalyptic number.
It is an amenable number.
100111121212 is a deficient number, since it is larger than the sum of its proper divisors (89415135428).
100111121212 is a wasteful number, since it uses less digits than its factorization.
100111121212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81562 (or 81560 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 100111121212 its reverse (212121111001), we get a palindrome (312232232213).
The spelling of 100111121212 in words is "one hundred billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twelve".
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