Base | Representation |
---|---|
bin | 101011001110000… |
… | …010101001001010 |
3 | 1212112101221202102 |
4 | 223032002221022 |
5 | 2441111214010 |
6 | 155541233402 |
7 | 23653154315 |
oct | 5316025112 |
9 | 1775357672 |
10 | 725101130 |
11 | 342334236 |
12 | 182a02862 |
13 | b72ba630 |
14 | 6c42d97c |
15 | 439ceba5 |
hex | 2b382a4a |
725101130 has 32 divisors (see below), whose sum is σ = 1407659904. Its totient is φ = 267333696.
The previous prime is 725101127. The next prime is 725101147. The reversal of 725101130 is 31101527.
It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 92837 + ... + 100343.
It is an arithmetic number, because the mean of its divisors is an integer number (43989372).
Almost surely, 2725101130 is an apocalyptic number.
725101130 is a deficient number, since it is larger than the sum of its proper divisors (682558774).
725101130 is a wasteful number, since it uses less digits than its factorization.
725101130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8270.
The product of its (nonzero) digits is 210, while the sum is 20.
The square root of 725101130 is about 26927.7019071439. The cubic root of 725101130 is about 898.3926578481.
Adding to 725101130 its reverse (31101527), we get a palindrome (756202657).
The spelling of 725101130 in words is "seven hundred twenty-five million, one hundred one thousand, one hundred thirty".
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