Base | Representation |
---|---|
bin | 1111100101001… |
… | …10111001010101 |
3 | 100002221121100002 |
4 | 13302212321111 |
5 | 231430111104 |
6 | 20545301045 |
7 | 3144664025 |
oct | 762467125 |
9 | 302847302 |
10 | 130707029 |
11 | 67865142 |
12 | 37934785 |
13 | 2110554b |
14 | 13505a85 |
15 | b71d01e |
hex | 7ca6e55 |
130707029 has 4 divisors (see below), whose sum is σ = 132001260. Its totient is φ = 129412800.
The previous prime is 130707019. The next prime is 130707037. The reversal of 130707029 is 920707031.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 75724804 + 54982225 = 8702^2 + 7415^2 .
It is a cyclic number.
It is not a de Polignac number, because 130707029 - 216 = 130641493 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130706992 and 130707010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130707019) 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, 646964 + ... + 647165.
It is an arithmetic number, because the mean of its divisors is an integer number (33000315).
Almost surely, 2130707029 is an apocalyptic number.
It is an amenable number.
130707029 is a deficient number, since it is larger than the sum of its proper divisors (1294231).
130707029 is a wasteful number, since it uses less digits than its factorization.
130707029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1294230.
The product of its (nonzero) digits is 2646, while the sum is 29.
The square root of 130707029 is about 11432.7174809841. The cubic root of 130707029 is about 507.4964177475.
The spelling of 130707029 in words is "one hundred thirty million, seven hundred seven thousand, twenty-nine".
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