Base | Representation |
---|---|
bin | 11011111111010101111011… |
… | …100101111011111010101001 |
3 | 121010212020221210120221222212 |
4 | 123333111323211323322221 |
5 | 112113333032042303334 |
6 | 1113451230343454505 |
7 | 34633456002541661 |
oct | 3377257345737251 |
9 | 533766853527885 |
10 | 123100131212969 |
11 | 36250521946259 |
12 | 11981768a57435 |
13 | 538c3a59bac01 |
14 | 22581145c11a1 |
15 | e371b48a1ece |
hex | 6ff57b97bea9 |
123100131212969 has 2 divisors, whose sum is σ = 123100131212970. Its totient is φ = 123100131212968.
The previous prime is 123100131212893. The next prime is 123100131213041. The reversal of 123100131212969 is 969212131001321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 104404192958569 + 18695938254400 = 10217837^2 + 4323880^2 .
It is a cyclic number.
It is not a de Polignac number, because 123100131212969 - 28 = 123100131212713 is a prime.
It is a super-2 number, since 2×1231001312129692 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (123100139212969) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550065606484 + 61550065606485.
It is an arithmetic number, because the mean of its divisors is an integer number (61550065606485).
Almost surely, 2123100131212969 is an apocalyptic number.
It is an amenable number.
123100131212969 is a deficient number, since it is larger than the sum of its proper divisors (1).
123100131212969 is an equidigital number, since it uses as much as digits as its factorization.
123100131212969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34992, while the sum is 41.
The spelling of 123100131212969 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-one million, two hundred twelve thousand, nine hundred sixty-nine".
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