Base | Representation |
---|---|
bin | 1110100011011011110… |
… | …0110111110011100011 |
3 | 212220101000121112121101 |
4 | 3220312330313303203 |
5 | 13044030141430201 |
6 | 310510123135231 |
7 | 24030656121634 |
oct | 3506674676343 |
9 | 786330545541 |
10 | 250030030051 |
11 | 9704548527a |
12 | 4055a674517 |
13 | 1a768374759 |
14 | c15c7cb88b |
15 | 678579bd01 |
hex | 3a36f37ce3 |
250030030051 has 4 divisors (see below), whose sum is σ = 250031894112. Its totient is φ = 250028165992.
The previous prime is 250030030043. The next prime is 250030030067. The reversal of 250030030051 is 150030030052.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 250030030051 - 23 = 250030030043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (250030030001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713800 + ... + 1004773.
It is an arithmetic number, because the mean of its divisors is an integer number (62507973528).
Almost surely, 2250030030051 is an apocalyptic number.
250030030051 is a deficient number, since it is larger than the sum of its proper divisors (1864061).
250030030051 is a wasteful number, since it uses less digits than its factorization.
250030030051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1864060.
The product of its (nonzero) digits is 450, while the sum is 19.
Subtracting from 250030030051 its reverse (150030030052), we obtain a palindrome (99999999999).
The spelling of 250030030051 in words is "two hundred fifty billion, thirty million, thirty thousand, fifty-one".
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