Base | Representation |
---|---|
bin | 110100100001100000011101… |
… | …110111110111100110010011 |
3 | 1010021220111000102021001120021 |
4 | 310201200131313313212103 |
5 | 220234210043142423404 |
6 | 2135144223221124311 |
7 | 66441162450423115 |
oct | 6441403567674623 |
9 | 1107814012231507 |
10 | 231001022232979 |
11 | 67670a8a959039 |
12 | 21aa9666b59697 |
13 | 9bb83c26b973b |
14 | 410871b0b13b5 |
15 | 1ba8d00203454 |
hex | d2181ddf7993 |
231001022232979 has 2 divisors, whose sum is σ = 231001022232980. Its totient is φ = 231001022232978.
The previous prime is 231001022232923. The next prime is 231001022233043. The reversal of 231001022232979 is 979232220100132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 231001022232979 - 213 = 231001022224787 is a prime.
It is a super-2 number, since 2×2310010222329792 (a number of 30 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (231001022232179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500511116489 + 115500511116490.
It is an arithmetic number, because the mean of its divisors is an integer number (115500511116490).
Almost surely, 2231001022232979 is an apocalyptic number.
231001022232979 is a deficient number, since it is larger than the sum of its proper divisors (1).
231001022232979 is an equidigital number, since it uses as much as digits as its factorization.
231001022232979 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 163296, while the sum is 43.
The spelling of 231001022232979 in words is "two hundred thirty-one trillion, one billion, twenty-two million, two hundred thirty-two thousand, nine hundred seventy-nine".
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