Base | Representation |
---|---|
bin | 11011101111101010110010… |
… | …110101011011101110110111 |
3 | 121000001021202011010120222212 |
4 | 123233222302311123232313 |
5 | 111443211121413343111 |
6 | 1111304334014444035 |
7 | 34462605135005654 |
oct | 3357526265335667 |
9 | 530037664116885 |
10 | 122023021231031 |
11 | 35975744395668 |
12 | 11828a66b0361b |
13 | 531194c274a2b |
14 | 221bd35176c2b |
15 | e1917373898b |
hex | 6efab2d5bbb7 |
122023021231031 has 4 divisors (see below), whose sum is σ = 122023070077632. Its totient is φ = 122022972384432.
The previous prime is 122023021231021. The next prime is 122023021231043. The reversal of 122023021231031 is 130132120320221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 122023021231031 - 230 = 122021947489207 is a prime.
It is a super-2 number, since 2×1220230212310312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122023021230988 and 122023021231006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122023021231021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20462006 + ... + 25743731.
It is an arithmetic number, because the mean of its divisors is an integer number (30505767519408).
Almost surely, 2122023021231031 is an apocalyptic number.
122023021231031 is a deficient number, since it is larger than the sum of its proper divisors (48846601).
122023021231031 is an equidigital number, since it uses as much as digits as its factorization.
122023021231031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48846600.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 122023021231031 its reverse (130132120320221), we get a palindrome (252155141551252).
The spelling of 122023021231031 in words is "one hundred twenty-two trillion, twenty-three billion, twenty-one million, two hundred thirty-one thousand, thirty-one".
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