Base | Representation |
---|---|
bin | 1110011110011… |
… | …01010010101000 |
3 | 22110111010200110 |
4 | 13033031102220 |
5 | 222041131422 |
6 | 20014334320 |
7 | 3003053622 |
oct | 717152250 |
9 | 273433613 |
10 | 121427112 |
11 | 625a6a94 |
12 | 347ba3a0 |
13 | 1c206681 |
14 | 121abc12 |
15 | a9d860c |
hex | 73cd4a8 |
121427112 has 32 divisors (see below), whose sum is σ = 306521280. Its totient is φ = 40081920.
The previous prime is 121427101. The next prime is 121427129. The reversal of 121427112 is 211724121.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22089 + ... + 27032.
It is an arithmetic number, because the mean of its divisors is an integer number (9578790).
Almost surely, 2121427112 is an apocalyptic number.
121427112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121427112 is an abundant number, since it is smaller than the sum of its proper divisors (185094168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121427112 is a wasteful number, since it uses less digits than its factorization.
121427112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49233 (or 49229 counting only the distinct ones).
The product of its digits is 224, while the sum is 21.
The square root of 121427112 is about 11019.3970796954. The cubic root of 121427112 is about 495.1900260109.
The spelling of 121427112 in words is "one hundred twenty-one million, four hundred twenty-seven thousand, one hundred twelve".
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