Base | Representation |
---|---|
bin | 11011100010101100010100… |
… | …110001101101000111111110 |
3 | 120212220001002100102202021000 |
4 | 123202230110301231013332 |
5 | 111334103411133121134 |
6 | 1105342542310351130 |
7 | 34341306546004041 |
oct | 3342542461550776 |
9 | 525801070382230 |
10 | 121131311223294 |
11 | 35661556331749 |
12 | 1170408705b4a6 |
13 | 52788311345b8 |
14 | 21cab02b84c58 |
15 | e00d83ddae99 |
hex | 6e2b14c6d1fe |
121131311223294 has 32 divisors (see below), whose sum is σ = 269441273233440. Its totient is φ = 40338016497216.
The previous prime is 121131311223283. The next prime is 121131311223317. The reversal of 121131311223294 is 492322113131121.
121131311223294 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 31 + 311 + 2 + 23 + 294 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085700477 + ... + 1085812040.
It is an arithmetic number, because the mean of its divisors is an integer number (8420039788545).
Almost surely, 2121131311223294 is an apocalyptic number.
121131311223294 is an abundant number, since it is smaller than the sum of its proper divisors (148309962010146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121131311223294 is a wasteful number, since it uses less digits than its factorization.
121131311223294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2171513561 (or 2171513555 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The spelling of 121131311223294 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred eleven million, two hundred twenty-three thousand, two hundred ninety-four".
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