Base | Representation |
---|---|
bin | 111000110100100101… |
… | …1001101101010010011 |
3 | 102122222000222202001112 |
4 | 1301221023031222103 |
5 | 3444401022202012 |
6 | 132020141523535 |
7 | 11546600516501 |
oct | 1615113155223 |
9 | 378860882045 |
10 | 122023631507 |
11 | 47828182458 |
12 | 1b7955735ab |
13 | b678516a6b |
14 | 5c97dd3671 |
15 | 3292985122 |
hex | 1c692cda93 |
122023631507 has 2 divisors, whose sum is σ = 122023631508. Its totient is φ = 122023631506.
The previous prime is 122023631491. The next prime is 122023631573. The reversal of 122023631507 is 705136320221.
It is a weak prime.
It is an emirp because it is prime and its reverse (705136320221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122023631507 - 24 = 122023631491 is a prime.
It is a super-2 number, since 2×1220236315072 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (122023831507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011815753 + 61011815754.
It is an arithmetic number, because the mean of its divisors is an integer number (61011815754).
Almost surely, 2122023631507 is an apocalyptic number.
122023631507 is a deficient number, since it is larger than the sum of its proper divisors (1).
122023631507 is an equidigital number, since it uses as much as digits as its factorization.
122023631507 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15120, while the sum is 32.
Adding to 122023631507 its reverse (705136320221), we get a palindrome (827159951728).
The spelling of 122023631507 in words is "one hundred twenty-two billion, twenty-three million, six hundred thirty-one thousand, five hundred seven".
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