Base | Representation |
---|---|
bin | 1111100000010… |
… | …11111111100011 |
3 | 100001202100222202 |
4 | 13300023333203 |
5 | 231244310142 |
6 | 20523523415 |
7 | 3136412153 |
oct | 760137743 |
9 | 301670882 |
10 | 130072547 |
11 | 67471480 |
12 | 3768956b |
13 | 20c42807 |
14 | 133bc763 |
15 | b645032 |
hex | 7c0bfe3 |
130072547 has 24 divisors (see below), whose sum is σ = 149178672. Its totient is φ = 112424000.
The previous prime is 130072531. The next prime is 130072561. The reversal of 130072547 is 745270031.
It is not a de Polignac number, because 130072547 - 24 = 130072531 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130072577) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1287797 + ... + 1287897.
It is an arithmetic number, because the mean of its divisors is an integer number (6215778).
Almost surely, 2130072547 is an apocalyptic number.
130072547 is a deficient number, since it is larger than the sum of its proper divisors (19106125).
130072547 is a wasteful number, since it uses less digits than its factorization.
130072547 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 259 (or 212 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 130072547 is about 11404.9352036739. The cubic root of 130072547 is about 506.6739173035.
The spelling of 130072547 in words is "one hundred thirty million, seventy-two thousand, five hundred forty-seven".
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