Base | Representation |
---|---|
bin | 1111100110101… |
… | …01010011001011 |
3 | 100010022021001201 |
4 | 13303111103023 |
5 | 232002201344 |
6 | 20553325031 |
7 | 3146415124 |
oct | 763252313 |
9 | 303267051 |
10 | 130897099 |
11 | 67984a23 |
12 | 37a06777 |
13 | 21170c08 |
14 | 1355504b |
15 | b7594d4 |
hex | 7cd54cb |
130897099 has 4 divisors (see below), whose sum is σ = 137786440. Its totient is φ = 124007760.
The previous prime is 130897073. The next prime is 130897141. The reversal of 130897099 is 990798031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990798031 = 1931 ⋅513101.
It is a cyclic number.
It is not a de Polignac number, because 130897099 - 213 = 130888907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130897049) 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, 3444642 + ... + 3444679.
It is an arithmetic number, because the mean of its divisors is an integer number (34446610).
Almost surely, 2130897099 is an apocalyptic number.
130897099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
130897099 is a deficient number, since it is larger than the sum of its proper divisors (6889341).
130897099 is an equidigital number, since it uses as much as digits as its factorization.
130897099 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6889340.
The product of its (nonzero) digits is 122472, while the sum is 46.
The square root of 130897099 is about 11441.0270080968. The cubic root of 130897099 is about 507.7422936486.
The spelling of 130897099 in words is "one hundred thirty million, eight hundred ninety-seven thousand, ninety-nine".
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