Base | Representation |
---|---|
bin | 1111100100110… |
… | …01010001000111 |
3 | 100002211202202121 |
4 | 13302121101013 |
5 | 231421314312 |
6 | 20544150411 |
7 | 3144342211 |
oct | 762312107 |
9 | 302752677 |
10 | 130651207 |
11 | 67827205 |
12 | 37908407 |
13 | 210b600b |
14 | 134cd5b1 |
15 | b70b707 |
hex | 7c99447 |
130651207 has 4 divisors (see below), whose sum is σ = 130696720. Its totient is φ = 130605696.
The previous prime is 130651187. The next prime is 130651217. The reversal of 130651207 is 702156031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702156031 = 53 ⋅13248227.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130651207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130651217) 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, 18138 + ... + 24295.
It is an arithmetic number, because the mean of its divisors is an integer number (32674180).
Almost surely, 2130651207 is an apocalyptic number.
130651207 is a deficient number, since it is larger than the sum of its proper divisors (45513).
130651207 is an equidigital number, since it uses as much as digits as its factorization.
130651207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45512.
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 130651207 is about 11430.2758934332. The cubic root of 130651207 is about 507.4241607333.
The spelling of 130651207 in words is "one hundred thirty million, six hundred fifty-one thousand, two hundred seven".
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