Base | Representation |
---|---|
bin | 1111100011000… |
… | …11111011111001 |
3 | 100002102200010000 |
4 | 13301203323321 |
5 | 231342322021 |
6 | 20535343213 |
7 | 3142442304 |
oct | 761437371 |
9 | 302380100 |
10 | 130432761 |
11 | 67698078 |
12 | 37821b09 |
13 | 2103a764 |
14 | 13473b3b |
15 | b6b6b26 |
hex | 7c63ef9 |
130432761 has 20 divisors (see below), whose sum is σ = 195197200. Its totient is φ = 86797656.
The previous prime is 130432741. The next prime is 130432781. The reversal of 130432761 is 167234031.
It is an interprime number because it is at equal distance from previous prime (130432741) and next prime (130432781).
It is not a de Polignac number, because 130432761 - 29 = 130432249 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130432741) 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, 58770 + ... + 60948.
It is an arithmetic number, because the mean of its divisors is an integer number (9759860).
Almost surely, 2130432761 is an apocalyptic number.
It is an amenable number.
130432761 is a deficient number, since it is larger than the sum of its proper divisors (64764439).
130432761 is an equidigital number, since it uses as much as digits as its factorization.
130432761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2930 (or 2921 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 130432761 is about 11420.7163085334. The cubic root of 130432761 is about 507.1412022239.
Adding to 130432761 its reverse (167234031), we get a palindrome (297666792).
The spelling of 130432761 in words is "one hundred thirty million, four hundred thirty-two thousand, seven hundred sixty-one".
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