Base | Representation |
---|---|
bin | 111000010110111110… |
… | …1010011101010001111 |
3 | 102120101210112122122020 |
4 | 1300231331103222033 |
5 | 3440332203132234 |
6 | 131333411421223 |
7 | 11513145063540 |
oct | 1605575235217 |
9 | 376353478566 |
10 | 121030130319 |
11 | 4736839829a |
12 | 1b5588b4813 |
13 | b54a743937 |
14 | 5c020984c7 |
15 | 3235639549 |
hex | 1c2df53a8f |
121030130319 has 16 divisors (see below), whose sum is σ = 187552746240. Its totient is φ = 67987869120.
The previous prime is 121030130269. The next prime is 121030130323. The reversal of 121030130319 is 913031030121.
It is not a de Polignac number, because 121030130319 - 221 = 121028033167 is a prime.
It is a super-2 number, since 2×1210301303192 (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 (121030130399) 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, 48840622 + ... + 48843099.
It is an arithmetic number, because the mean of its divisors is an integer number (11722046640).
Almost surely, 2121030130319 is an apocalyptic number.
121030130319 is a deficient number, since it is larger than the sum of its proper divisors (66522615921).
121030130319 is an equidigital number, since it uses as much as digits as its factorization.
121030130319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97683790.
The product of its (nonzero) digits is 486, while the sum is 24.
The spelling of 121030130319 in words is "one hundred twenty-one billion, thirty million, one hundred thirty thousand, three hundred nineteen".
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