Base | Representation |
---|---|
bin | 1110100101111… |
… | …11111111010000 |
3 | 22112100122022112 |
4 | 13102333333100 |
5 | 222314434300 |
6 | 20051524452 |
7 | 3014364056 |
oct | 722777720 |
9 | 275318275 |
10 | 122421200 |
11 | 63115950 |
12 | 34bb9728 |
13 | 1c493ca5 |
14 | 1238a1d6 |
15 | ab32e35 |
hex | 74bffd0 |
122421200 has 60 divisors (see below), whose sum is σ = 320866368. Its totient is φ = 44515200.
The previous prime is 122421193. The next prime is 122421223. The reversal of 122421200 is 2124221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9512 + ... + 18311.
Almost surely, 2122421200 is an apocalyptic number.
122421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122421200 is an abundant number, since it is smaller than the sum of its proper divisors (198445168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122421200 is a wasteful number, since it uses less digits than its factorization.
122421200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27852 (or 27841 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 122421200 is about 11064.4114167903. The cubic root of 122421200 is about 496.5376800209.
Adding to 122421200 its reverse (2124221), we get a palindrome (124545421).
The spelling of 122421200 in words is "one hundred twenty-two million, four hundred twenty-one thousand, two hundred".
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