Base | Representation |
---|---|
bin | 101111001000010111… |
… | …0010101000111011110 |
3 | 100200020122211011201021 |
4 | 1132100232111013132 |
5 | 3124240322441110 |
6 | 114255111034354 |
7 | 10212064312624 |
oct | 1362056250736 |
9 | 320218734637 |
10 | 101212312030 |
11 | 39a18791075 |
12 | 1774796b9ba |
13 | 970ca24c3b |
14 | 4c82077514 |
15 | 29758a82da |
hex | 1790b951de |
101212312030 has 16 divisors (see below), whose sum is σ = 185168755584. Its totient is φ = 39821237280.
The previous prime is 101212312027. The next prime is 101212312031. The reversal of 101212312030 is 30213212101.
It is a junction number, because it is equal to n+sod(n) for n = 101212311995 and 101212312013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101212312031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82960302 + ... + 82961521.
It is an arithmetic number, because the mean of its divisors is an integer number (11573047224).
Almost surely, 2101212312030 is an apocalyptic number.
101212312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
101212312030 is a deficient number, since it is larger than the sum of its proper divisors (83956443554).
101212312030 is a wasteful number, since it uses less digits than its factorization.
101212312030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165921891.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 101212312030 its reverse (30213212101), we get a palindrome (131425524131).
The spelling of 101212312030 in words is "one hundred one billion, two hundred twelve million, three hundred twelve thousand, thirty".
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