Base | Representation |
---|---|
bin | 111000111101101111… |
… | …1110110111010001111 |
3 | 102200202110102100221120 |
4 | 1301323133312322033 |
5 | 4001013221030411 |
6 | 132110442332023 |
7 | 11560322424441 |
oct | 1617337667217 |
9 | 380673370846 |
10 | 122331033231 |
11 | 47975751970 |
12 | 1b8604ba013 |
13 | b6c7106884 |
14 | 5cc6b72491 |
15 | 32ae957106 |
hex | 1c7b7f6e8f |
122331033231 has 16 divisors (see below), whose sum is σ = 177973728768. Its totient is φ = 74124320000.
The previous prime is 122331033203. The next prime is 122331033233. The reversal of 122331033231 is 132330133221.
It is a cyclic number.
It is not a de Polignac number, because 122331033231 - 27 = 122331033103 is a prime.
It is a super-2 number, since 2×1223310332312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122331033233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233346 + ... + 546911.
It is an arithmetic number, because the mean of its divisors is an integer number (11123358048).
Almost surely, 2122331033231 is an apocalyptic number.
122331033231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122331033231 is a deficient number, since it is larger than the sum of its proper divisors (55642695537).
122331033231 is a wasteful number, since it uses less digits than its factorization.
122331033231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 785022.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 122331033231 its reverse (132330133221), we get a palindrome (254661166452).
The spelling of 122331033231 in words is "one hundred twenty-two billion, three hundred thirty-one million, thirty-three thousand, two hundred thirty-one".
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