Base | Representation |
---|---|
bin | 1111100001101… |
… | …11110000010111 |
3 | 100002002110212201 |
4 | 13300313300113 |
5 | 231321024144 |
6 | 20531425331 |
7 | 3141056566 |
oct | 760676027 |
9 | 302073781 |
10 | 130251799 |
11 | 67584117 |
12 | 37755247 |
13 | 20ca6292 |
14 | 13427bdd |
15 | b67d1d4 |
hex | 7c37c17 |
130251799 has 4 divisors (see below), whose sum is σ = 130332064. Its totient is φ = 130171536.
The previous prime is 130251769. The next prime is 130251827. The reversal of 130251799 is 997152031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997152031 = 1489 ⋅669679.
It is a cyclic number.
It is not a de Polignac number, because 130251799 - 211 = 130249751 is a prime.
It is a super-2 number, since 2×1302517992 = 33931062285472802, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130251749) 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, 37647 + ... + 40960.
It is an arithmetic number, because the mean of its divisors is an integer number (32583016).
Almost surely, 2130251799 is an apocalyptic number.
130251799 is a deficient number, since it is larger than the sum of its proper divisors (80265).
130251799 is an equidigital number, since it uses as much as digits as its factorization.
130251799 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80264.
The product of its (nonzero) digits is 17010, while the sum is 37.
The square root of 130251799 is about 11412.7910258622. The cubic root of 130251799 is about 506.9065583092.
The spelling of 130251799 in words is "one hundred thirty million, two hundred fifty-one thousand, seven hundred ninety-nine".
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