Base | Representation |
---|---|
bin | 1111100011101… |
… | …01110100011111 |
3 | 100002120101121010 |
4 | 13301311310133 |
5 | 231402143030 |
6 | 20541110303 |
7 | 3143166003 |
oct | 761656437 |
9 | 302511533 |
10 | 130506015 |
11 | 67738112 |
12 | 37858393 |
13 | 21064bc3 |
14 | 13492703 |
15 | b6cd6b0 |
hex | 7c75d1f |
130506015 has 8 divisors (see below), whose sum is σ = 208809648. Its totient is φ = 69603200.
The previous prime is 130505987. The next prime is 130506037. The reversal of 130506015 is 510605031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130506015 - 25 = 130505983 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130505982 and 130506000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350186 + ... + 4350215.
It is an arithmetic number, because the mean of its divisors is an integer number (26101206).
Almost surely, 2130506015 is an apocalyptic number.
130506015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
130506015 is a deficient number, since it is larger than the sum of its proper divisors (78303633).
130506015 is an equidigital number, since it uses as much as digits as its factorization.
130506015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8700409.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 130506015 is about 11423.9229251602. The cubic root of 130506015 is about 507.2361251271.
The spelling of 130506015 in words is "one hundred thirty million, five hundred six thousand, fifteen".
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