Base | Representation |
---|---|
bin | 1111100100101… |
… | …10101011011111 |
3 | 100002211020020000 |
4 | 13302112223133 |
5 | 231420444412 |
6 | 20544025343 |
7 | 3144266256 |
oct | 762265337 |
9 | 302736200 |
10 | 130640607 |
11 | 6781a249 |
12 | 37902253 |
13 | 210b1246 |
14 | 134c979d |
15 | b7084dc |
hex | 7c96adf |
130640607 has 20 divisors (see below), whose sum is σ = 196034520. Its totient is φ = 86701104.
The previous prime is 130640567. The next prime is 130640611. The reversal of 130640607 is 706046031.
130640607 is a `hidden beast` number, since 13 + 0 + 6 + 40 + 607 = 666.
It is not a de Polignac number, because 130640607 - 211 = 130638559 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130640617) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15028 + ... + 22070.
It is an arithmetic number, because the mean of its divisors is an integer number (9801726).
Almost surely, 2130640607 is an apocalyptic number.
130640607 is a deficient number, since it is larger than the sum of its proper divisors (65393913).
130640607 is an equidigital number, since it uses as much as digits as its factorization.
130640607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7284 (or 7275 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 130640607 is about 11429.8122031816. The cubic root of 130640607 is about 507.4104375751.
Adding to 130640607 its reverse (706046031), we get a palindrome (836686638).
The spelling of 130640607 in words is "one hundred thirty million, six hundred forty thousand, six hundred seven".
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