Base | Representation |
---|---|
bin | 1111100110101… |
… | …10111001101010 |
3 | 100010022121001122 |
4 | 13303112321222 |
5 | 232002404113 |
6 | 20553415242 |
7 | 3146443214 |
oct | 763267152 |
9 | 303277048 |
10 | 130903658 |
11 | 67989946 |
12 | 37a0a522 |
13 | 21173bb2 |
14 | 135575b4 |
15 | b75b408 |
hex | 7cd6e6a |
130903658 has 4 divisors (see below), whose sum is σ = 196355490. Its totient is φ = 65451828.
The previous prime is 130903573. The next prime is 130903681. The reversal of 130903658 is 856309031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 856309031 = 2699 ⋅317269.
It can be written as a sum of positive squares in only one way, i.e., 92871769 + 38031889 = 9637^2 + 6167^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32725913 + ... + 32725916.
Almost surely, 2130903658 is an apocalyptic number.
130903658 is a deficient number, since it is larger than the sum of its proper divisors (65451832).
130903658 is an equidigital number, since it uses as much as digits as its factorization.
130903658 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65451831.
The product of its (nonzero) digits is 19440, while the sum is 35.
The square root of 130903658 is about 11441.3136483535. The cubic root of 130903658 is about 507.7507741678.
The spelling of 130903658 in words is "one hundred thirty million, nine hundred three thousand, six hundred fifty-eight".
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