Base | Representation |
---|---|
bin | 10111101000101100… |
… | …111111010000110101 |
3 | 2102111200221221022212 |
4 | 113220230333100311 |
5 | 403434002202203 |
6 | 15354154503205 |
7 | 1555625315351 |
oct | 275054772065 |
9 | 72450857285 |
10 | 25378944053 |
11 | a843830331 |
12 | 4b03434b05 |
13 | 2515bb4b78 |
14 | 132a82a461 |
15 | 9d80c71d8 |
hex | 5e8b3f435 |
25378944053 has 8 divisors (see below), whose sum is σ = 25893399168. Its totient is φ = 24865807824.
The previous prime is 25378944047. The next prime is 25378944083. The reversal of 25378944053 is 35044987352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25378944053 - 214 = 25378927669 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25378943992 and 25378944010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25378944083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290801 + ... + 367862.
It is an arithmetic number, because the mean of its divisors is an integer number (3236674896).
Almost surely, 225378944053 is an apocalyptic number.
It is an amenable number.
25378944053 is a deficient number, since it is larger than the sum of its proper divisors (514455115).
25378944053 is an equidigital number, since it uses as much as digits as its factorization.
25378944053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659443.
The product of its (nonzero) digits is 3628800, while the sum is 50.
The spelling of 25378944053 in words is "twenty-five billion, three hundred seventy-eight million, nine hundred forty-four thousand, fifty-three".
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