Base | Representation |
---|---|
bin | 1111100001010… |
… | …11110100110001 |
3 | 100001222222211201 |
4 | 13300223310301 |
5 | 231312443204 |
6 | 20530411201 |
7 | 3140464243 |
oct | 760536461 |
9 | 301888751 |
10 | 130202929 |
11 | 6755042a |
12 | 37730b01 |
13 | 20c89c6c |
14 | 13414093 |
15 | b66d9a4 |
hex | 7c2bd31 |
130202929 has 4 divisors (see below), whose sum is σ = 130328100. Its totient is φ = 130077760.
The previous prime is 130202903. The next prime is 130202971. The reversal of 130202929 is 929202031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 929202031 = 17 ⋅54658943.
It can be written as a sum of positive squares in 2 ways, for example, as 94478400 + 35724529 = 9720^2 + 5977^2 .
It is a cyclic number.
It is not a de Polignac number, because 130202929 - 29 = 130202417 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130202897 and 130202906.
It is not an unprimeable number, because it can be changed into a prime (130202129) 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, 61012 + ... + 63109.
It is an arithmetic number, because the mean of its divisors is an integer number (32582025).
Almost surely, 2130202929 is an apocalyptic number.
It is an amenable number.
130202929 is a deficient number, since it is larger than the sum of its proper divisors (125171).
130202929 is a wasteful number, since it uses less digits than its factorization.
130202929 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125170.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 130202929 is about 11410.6498062117. The cubic root of 130202929 is about 506.8431538814.
It can be divided in two parts, 130202 and 929, that added together give a palindrome (131131).
The spelling of 130202929 in words is "one hundred thirty million, two hundred two thousand, nine hundred twenty-nine".
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