Base | Representation |
---|---|
bin | 1110011101001… |
… | …11111011010110 |
3 | 22110012100202020 |
4 | 13032213323112 |
5 | 222021232240 |
6 | 20011154010 |
7 | 3001545501 |
oct | 716477326 |
9 | 273170666 |
10 | 121274070 |
11 | 62502005 |
12 | 34745906 |
13 | 1c181b08 |
14 | 1216c138 |
15 | a9a80d0 |
hex | 73a7ed6 |
121274070 has 64 divisors (see below), whose sum is σ = 300231360. Its totient is φ = 31336448.
The previous prime is 121274057. The next prime is 121274089. The reversal of 121274070 is 70472121.
It is a self number, because there is not a number n which added to its sum of digits gives 121274070.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141082 + ... + 141938.
It is an arithmetic number, because the mean of its divisors is an integer number (4691115).
Almost surely, 2121274070 is an apocalyptic number.
121274070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 121274070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150115680).
121274070 is an abundant number, since it is smaller than the sum of its proper divisors (178957290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121274070 is a wasteful number, since it uses less digits than its factorization.
121274070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009.
The product of its (nonzero) digits is 784, while the sum is 24.
The square root of 121274070 is about 11012.4506809338. The cubic root of 121274070 is about 494.9818991442.
The spelling of 121274070 in words is "one hundred twenty-one million, two hundred seventy-four thousand, seventy".
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