Base | Representation |
---|---|
bin | 1111100101001… |
… | …10101001100011 |
3 | 100002221112221200 |
4 | 13302212221203 |
5 | 231430043034 |
6 | 20545252243 |
7 | 3144661053 |
oct | 762465143 |
9 | 302845850 |
10 | 130706019 |
11 | 67864404 |
12 | 37934083 |
13 | 21104c52 |
14 | 13505563 |
15 | b71ca99 |
hex | 7ca6a63 |
130706019 has 12 divisors (see below), whose sum is σ = 190668192. Its totient is φ = 86274000.
The previous prime is 130706011. The next prime is 130706021. The reversal of 130706019 is 910607031.
It is not a de Polignac number, because 130706019 - 23 = 130706011 is a prime.
It is a super-2 number, since 2×1307060192 = 34168126805656722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130705983 and 130706001.
It is not an unprimeable number, because it can be changed into a prime (130706011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70987 + ... + 72804.
It is an arithmetic number, because the mean of its divisors is an integer number (15889016).
Almost surely, 2130706019 is an apocalyptic number.
130706019 is a deficient number, since it is larger than the sum of its proper divisors (59962173).
130706019 is a wasteful number, since it uses less digits than its factorization.
130706019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143898 (or 143895 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 27.
The square root of 130706019 is about 11432.6733094233. The cubic root of 130706019 is about 507.4951105679.
The spelling of 130706019 in words is "one hundred thirty million, seven hundred six thousand, nineteen".
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