Base | Representation |
---|---|
bin | 1110011111111… |
… | …01101010100000 |
3 | 22110212012110211 |
4 | 13033331222200 |
5 | 222114001443 |
6 | 20022503504 |
7 | 3004540363 |
oct | 717755240 |
9 | 273765424 |
10 | 121625248 |
11 | 62721938 |
12 | 34894b94 |
13 | 1c275904 |
14 | 122200da |
15 | aa2719d |
hex | 73fdaa0 |
121625248 has 24 divisors (see below), whose sum is σ = 243971028. Its totient is φ = 59664384.
The previous prime is 121625209. The next prime is 121625261. The reversal of 121625248 is 842526121.
It can be written as a sum of positive squares in 2 ways, for example, as 121616784 + 8464 = 11028^2 + 92^2 .
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, 34161 + ... + 37552.
Almost surely, 2121625248 is an apocalyptic number.
It is an amenable number.
121625248 is an abundant number, since it is smaller than the sum of its proper divisors (122345780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121625248 is an equidigital number, since it uses as much as digits as its factorization.
121625248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71776 (or 71768 counting only the distinct ones).
The product of its digits is 7680, while the sum is 31.
The square root of 121625248 is about 11028.3837437768. The cubic root of 121625248 is about 495.4592180995.
The spelling of 121625248 in words is "one hundred twenty-one million, six hundred twenty-five thousand, two hundred forty-eight".
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