Base | Representation |
---|---|
bin | 111001010010010011… |
… | …1100101010010100101 |
3 | 102202112112120110021002 |
4 | 1302210213211102211 |
5 | 4003421324032234 |
6 | 132303125203045 |
7 | 11613400413131 |
oct | 1624447452245 |
9 | 382475513232 |
10 | 123020924069 |
11 | 4819a11708a |
12 | 1ba13560485 |
13 | b7a70167c4 |
14 | 5d506383c1 |
15 | 33002ce27e |
hex | 1ca49e54a5 |
123020924069 has 2 divisors, whose sum is σ = 123020924070. Its totient is φ = 123020924068.
The previous prime is 123020924057. The next prime is 123020924087. The reversal of 123020924069 is 960429020321.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 102104533444 + 20916390625 = 319538^2 + 144625^2 .
It is a cyclic number.
It is not a de Polignac number, because 123020924069 - 228 = 122752488613 is a prime.
It is a super-2 number, since 2×1230209240692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123020921069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510462034 + 61510462035.
It is an arithmetic number, because the mean of its divisors is an integer number (61510462035).
Almost surely, 2123020924069 is an apocalyptic number.
It is an amenable number.
123020924069 is a deficient number, since it is larger than the sum of its proper divisors (1).
123020924069 is an equidigital number, since it uses as much as digits as its factorization.
123020924069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 46656, while the sum is 38.
The spelling of 123020924069 in words is "one hundred twenty-three billion, twenty million, nine hundred twenty-four thousand, sixty-nine".
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