Base | Representation |
---|---|
bin | 111000100010100011… |
… | …0001100000001001000 |
3 | 102121101212000110100201 |
4 | 1301011012030001020 |
5 | 3442131043144110 |
6 | 131440120141544 |
7 | 11525600545525 |
oct | 1610506140110 |
9 | 377355013321 |
10 | 121418334280 |
11 | 47547536711 |
12 | 1b6469078b4 |
13 | b5accb5019 |
14 | 5c3b86c14c |
15 | 325976cb3a |
hex | 1c4518c048 |
121418334280 has 16 divisors (see below), whose sum is σ = 273191252220. Its totient is φ = 48567333696.
The previous prime is 121418334263. The next prime is 121418334307. The reversal of 121418334280 is 82433814121.
It can be written as a sum of positive squares in 2 ways, for example, as 121400677476 + 17656804 = 348426^2 + 4202^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517729139 + ... + 1517729218.
Almost surely, 2121418334280 is an apocalyptic number.
121418334280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121418334280 is an abundant number, since it is smaller than the sum of its proper divisors (151772917940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121418334280 is a wasteful number, since it uses less digits than its factorization.
121418334280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3035458368 (or 3035458364 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 37.
The spelling of 121418334280 in words is "one hundred twenty-one billion, four hundred eighteen million, three hundred thirty-four thousand, two hundred eighty".
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