Base | Representation |
---|---|
bin | 1111100001011… |
… | …00111111010100 |
3 | 100002000020101102 |
4 | 13300230333110 |
5 | 231313121300 |
6 | 20530445232 |
7 | 3140514200 |
oct | 760547724 |
9 | 302006342 |
10 | 130207700 |
11 | 67553a77 |
12 | 37733818 |
13 | 20c8c19c |
14 | 13415b00 |
15 | b6700d5 |
hex | 7c2cfd4 |
130207700 has 54 divisors (see below), whose sum is σ = 328693806. Its totient is φ = 44640960.
The previous prime is 130207633. The next prime is 130207717. The reversal of 130207700 is 7702031.
It can be written as a sum of positive squares in 3 ways, for example, as 45346756 + 84860944 = 6734^2 + 9212^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8387 + ... + 18186.
Almost surely, 2130207700 is an apocalyptic number.
130207700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130207700 is an abundant number, since it is smaller than the sum of its proper divisors (198486106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130207700 is a wasteful number, since it uses less digits than its factorization.
130207700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26601 (or 26587 counting only the distinct ones).
The product of its (nonzero) digits is 294, while the sum is 20.
The square root of 130207700 is about 11410.8588633810. The cubic root of 130207700 is about 506.8493445234.
Adding to 130207700 its reverse (7702031), we get a palindrome (137909731).
The spelling of 130207700 in words is "one hundred thirty million, two hundred seven thousand, seven hundred".
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