Base | Representation |
---|---|
bin | 10111101011000110… |
… | …100000001011110010 |
3 | 2102121111200111011210 |
4 | 113223012200023302 |
5 | 404024302440210 |
6 | 15402153220550 |
7 | 1556624344464 |
oct | 275306401362 |
9 | 72544614153 |
10 | 25419186930 |
11 | a864517405 |
12 | 4b14a01756 |
13 | 2521335117 |
14 | 1331d04134 |
15 | 9db8c5e20 |
hex | 5eb1a02f2 |
25419186930 has 64 divisors (see below), whose sum is σ = 65028355200. Its totient is φ = 6336881664.
The previous prime is 25419186899. The next prime is 25419186931. The reversal of 25419186930 is 3968191452.
It is a super-2 number, since 2×254191869302 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 25419186930.
It is not an unprimeable number, because it can be changed into a prime (25419186931) 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 31 ways as a sum of consecutive naturals, for example, 91264 + ... + 243243.
It is an arithmetic number, because the mean of its divisors is an integer number (1016068050).
Almost surely, 225419186930 is an apocalyptic number.
25419186930 is an abundant number, since it is smaller than the sum of its proper divisors (39609168270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25419186930 is a wasteful number, since it uses less digits than its factorization.
25419186930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 334683.
The product of its (nonzero) digits is 466560, while the sum is 48.
The spelling of 25419186930 in words is "twenty-five billion, four hundred nineteen million, one hundred eighty-six thousand, nine hundred thirty".
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