Base | Representation |
---|---|
bin | 1111100001101… |
… | …11101010101010 |
3 | 100002002110101012 |
4 | 13300313222222 |
5 | 231321021214 |
6 | 20531423522 |
7 | 3141055535 |
oct | 760675252 |
9 | 302073335 |
10 | 130251434 |
11 | 67583915 |
12 | 37754ba2 |
13 | 20ca6071 |
14 | 13427a1c |
15 | b67d03e |
hex | 7c37aaa |
130251434 has 4 divisors (see below), whose sum is σ = 195377154. Its totient is φ = 65125716.
The previous prime is 130251389. The next prime is 130251449. The reversal of 130251434 is 434152031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434152031 = 59 ⋅7358509.
It can be written as a sum of positive squares in only one way, i.e., 127351225 + 2900209 = 11285^2 + 1703^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32562857 + ... + 32562860.
Almost surely, 2130251434 is an apocalyptic number.
130251434 is a deficient number, since it is larger than the sum of its proper divisors (65125720).
130251434 is an equidigital number, since it uses as much as digits as its factorization.
130251434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65125719.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 130251434 is about 11412.7750350211. The cubic root of 130251434 is about 506.9060848133.
The spelling of 130251434 in words is "one hundred thirty million, two hundred fifty-one thousand, four hundred thirty-four".
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