Base | Representation |
---|---|
bin | 1100000011001… |
… | …01010011010111 |
3 | 21001012022021012 |
4 | 12001211103113 |
5 | 201334000411 |
6 | 14010242435 |
7 | 2335102502 |
oct | 601452327 |
9 | 231168235 |
10 | 101078231 |
11 | 52068631 |
12 | 29a2641b |
13 | 17c30507 |
14 | d5d2139 |
15 | 8d1918b |
hex | 60654d7 |
101078231 has 2 divisors, whose sum is σ = 101078232. Its totient is φ = 101078230.
The previous prime is 101078213. The next prime is 101078239. The reversal of 101078231 is 132870101.
It is a happy number.
Together with previous prime (101078213) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 101078231 - 26 = 101078167 is a prime.
It is a super-2 number, since 2×1010782312 = 20433617564178722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 101078197 and 101078206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101078239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50539115 + 50539116.
It is an arithmetic number, because the mean of its divisors is an integer number (50539116).
Almost surely, 2101078231 is an apocalyptic number.
101078231 is a deficient number, since it is larger than the sum of its proper divisors (1).
101078231 is an equidigital number, since it uses as much as digits as its factorization.
101078231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 101078231 is about 10053.7670054562. The cubic root of 101078231 is about 465.8211582020.
The spelling of 101078231 in words is "one hundred one million, seventy-eight thousand, two hundred thirty-one".
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