Base | Representation |
---|---|
bin | 1111100011010… |
… | …00001011001001 |
3 | 100002110112220222 |
4 | 13301220023021 |
5 | 231343400441 |
6 | 20535555425 |
7 | 3142544024 |
oct | 761501311 |
9 | 302415828 |
10 | 130450121 |
11 | 676aa11a |
12 | 3782bb75 |
13 | 21045629 |
14 | 1347a1bb |
15 | b6bbd4b |
hex | 7c682c9 |
130450121 has 4 divisors (see below), whose sum is σ = 132661200. Its totient is φ = 128239044.
The previous prime is 130450109. The next prime is 130450127. The reversal of 130450121 is 121054031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121054031 = 7 ⋅17293433.
It is a cyclic number.
It is not a de Polignac number, because 130450121 - 26 = 130450057 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130450121.
It is not an unprimeable number, because it can be changed into a prime (130450127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105451 + ... + 1105568.
It is an arithmetic number, because the mean of its divisors is an integer number (33165300).
Almost surely, 2130450121 is an apocalyptic number.
It is an amenable number.
130450121 is a deficient number, since it is larger than the sum of its proper divisors (2211079).
130450121 is an equidigital number, since it uses as much as digits as its factorization.
130450121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2211078.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 130450121 is about 11421.4763056270. The cubic root of 130450121 is about 507.1637006122.
The spelling of 130450121 in words is "one hundred thirty million, four hundred fifty thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •