Base | Representation |
---|---|
bin | 1111100001001… |
… | …00011100011100 |
3 | 100001221110101010 |
4 | 13300210130130 |
5 | 231311011300 |
6 | 20530015220 |
7 | 3140310150 |
oct | 760443434 |
9 | 301843333 |
10 | 130172700 |
11 | 6752a749 |
12 | 37717510 |
13 | 20c79288 |
14 | 13407060 |
15 | b664a50 |
hex | 7c2471c |
130172700 has 72 divisors (see below), whose sum is σ = 430444672. Its totient is φ = 29753280.
The previous prime is 130172687. The next prime is 130172711. The reversal of 130172700 is 7271031.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28894 + ... + 33093.
Almost surely, 2130172700 is an apocalyptic number.
130172700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130172700 is an abundant number, since it is smaller than the sum of its proper divisors (300271972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130172700 is a wasteful number, since it uses less digits than its factorization.
130172700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62011 (or 62004 counting only the distinct ones).
The product of its (nonzero) digits is 294, while the sum is 21.
The square root of 130172700 is about 11409.3251334161. The cubic root of 130172700 is about 506.8039265315.
The spelling of 130172700 in words is "one hundred thirty million, one hundred seventy-two thousand, seven hundred".
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