Base | Representation |
---|---|
bin | 1111100101111… |
… | …00011000111111 |
3 | 100010010002002220 |
4 | 13302330120333 |
5 | 231440420241 |
6 | 20551220423 |
7 | 3145511511 |
oct | 762743077 |
9 | 303102086 |
10 | 130795071 |
11 | 67915300 |
12 | 37977713 |
13 | 21136644 |
14 | 13529bb1 |
15 | b739166 |
hex | 7cbc63f |
130795071 has 12 divisors (see below), whose sum is σ = 191689176. Its totient is φ = 79269520.
The previous prime is 130795039. The next prime is 130795073. The reversal of 130795071 is 170597031.
It is not a de Polignac number, because 130795071 - 25 = 130795039 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130795073) 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, 179796 + ... + 180521.
It is an arithmetic number, because the mean of its divisors is an integer number (15974098).
Almost surely, 2130795071 is an apocalyptic number.
130795071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
130795071 is a deficient number, since it is larger than the sum of its proper divisors (60894105).
130795071 is a wasteful number, since it uses less digits than its factorization.
130795071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360342 (or 360331 counting only the distinct ones).
The product of its (nonzero) digits is 6615, while the sum is 33.
The square root of 130795071 is about 11436.5672734435. The cubic root of 130795071 is about 507.6103391170.
The spelling of 130795071 in words is "one hundred thirty million, seven hundred ninety-five thousand, seventy-one".
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