Base | Representation |
---|---|
bin | 1110101000100101100… |
… | …0111110110001111001 |
3 | 220000221102011022112210 |
4 | 3222021120332301321 |
5 | 13104343230132421 |
6 | 311255251525333 |
7 | 24110152230231 |
oct | 3521130766171 |
9 | 800842138483 |
10 | 251413130361 |
11 | 97695180a88 |
12 | 408858b9849 |
13 | 1a928a86cc3 |
14 | c250380cc1 |
15 | 6816e04576 |
hex | 3a8963ec79 |
251413130361 has 16 divisors (see below), whose sum is σ = 352924093440. Its totient is φ = 158758638480.
The previous prime is 251413130359. The next prime is 251413130363. The reversal of 251413130361 is 163031314152.
It is an interprime number because it is at equal distance from previous prime (251413130359) and next prime (251413130363).
It is not a de Polignac number, because 251413130361 - 21 = 251413130359 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (251413130363) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75765 + ... + 713138.
It is an arithmetic number, because the mean of its divisors is an integer number (22057755840).
Almost surely, 2251413130361 is an apocalyptic number.
It is an amenable number.
251413130361 is a deficient number, since it is larger than the sum of its proper divisors (101510963079).
251413130361 is a wasteful number, since it uses less digits than its factorization.
251413130361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 794516.
The product of its (nonzero) digits is 6480, while the sum is 30.
The spelling of 251413130361 in words is "two hundred fifty-one billion, four hundred thirteen million, one hundred thirty thousand, three hundred sixty-one".
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