Base | Representation |
---|---|
bin | 1111011101010… |
… | …11000000110001 |
3 | 100001000012002101 |
4 | 13232223000301 |
5 | 231144102223 |
6 | 20511220401 |
7 | 3133136065 |
oct | 756530061 |
9 | 301005071 |
10 | 129675313 |
11 | 6721aa89 |
12 | 37517701 |
13 | 20b33a71 |
14 | 13317aa5 |
15 | b5b74ad |
hex | 7bab031 |
129675313 has 4 divisors (see below), whose sum is σ = 129741808. Its totient is φ = 129608820.
The previous prime is 129675253. The next prime is 129675317. The reversal of 129675313 is 313576921.
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.
It is a cyclic number.
It is not a de Polignac number, because 129675313 - 213 = 129667121 is a prime.
It is a super-4 number, since 4×1296753134 (a number of 34 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (129675317) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30231 + ... + 34252.
It is an arithmetic number, because the mean of its divisors is an integer number (32435452).
Almost surely, 2129675313 is an apocalyptic number.
It is an amenable number.
129675313 is a deficient number, since it is larger than the sum of its proper divisors (66495).
129675313 is an equidigital number, since it uses as much as digits as its factorization.
129675313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66494.
The product of its digits is 34020, while the sum is 37.
The square root of 129675313 is about 11387.5068825446. The cubic root of 129675313 is about 506.1576071190.
The spelling of 129675313 in words is "one hundred twenty-nine million, six hundred seventy-five thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •