Base | Representation |
---|---|
bin | 111000010110111110… |
… | …1010011101001011101 |
3 | 102120101210112122120101 |
4 | 1300231331103221131 |
5 | 3440332203132034 |
6 | 131333411421101 |
7 | 11513145063436 |
oct | 1605575235135 |
9 | 376353478511 |
10 | 121030130269 |
11 | 47368398254 |
12 | 1b5588b4791 |
13 | b54a7438c9 |
14 | 5c0209848d |
15 | 3235639514 |
hex | 1c2df53a5d |
121030130269 has 2 divisors, whose sum is σ = 121030130270. Its totient is φ = 121030130268.
The previous prime is 121030130261. The next prime is 121030130323. The reversal of 121030130269 is 962031030121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 120711079225 + 319051044 = 347435^2 + 17862^2 .
It is a cyclic number.
It is not a de Polignac number, because 121030130269 - 23 = 121030130261 is a prime.
It is a super-2 number, since 2×1210301302692 (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 (121030130261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515065134 + 60515065135.
It is an arithmetic number, because the mean of its divisors is an integer number (60515065135).
Almost surely, 2121030130269 is an apocalyptic number.
It is an amenable number.
121030130269 is a deficient number, since it is larger than the sum of its proper divisors (1).
121030130269 is an equidigital number, since it uses as much as digits as its factorization.
121030130269 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 28.
The spelling of 121030130269 in words is "one hundred twenty-one billion, thirty million, one hundred thirty thousand, two hundred sixty-nine".
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