Base | Representation |
---|---|
bin | 11001100111001001… |
… | …00100001101110001 |
3 | 1022111021021202002122 |
4 | 30303210210031301 |
5 | 211130013003200 |
6 | 10152224524025 |
7 | 664512065141 |
oct | 146344441561 |
9 | 38437252078 |
10 | 13750125425 |
11 | 5916650823 |
12 | 27b8a80615 |
13 | 13b19115ba |
14 | 946230921 |
15 | 557226385 |
hex | 333924371 |
13750125425 has 12 divisors (see below), whose sum is σ = 17070170460. Its totient is φ = 10987187520.
The previous prime is 13750125421. The next prime is 13750125449. The reversal of 13750125425 is 52452105731.
It can be written as a sum of positive squares in 6 ways, for example, as 1678049296 + 12072076129 = 40964^2 + 109873^2 .
It is not a de Polignac number, because 13750125425 - 22 = 13750125421 is a prime.
It is a super-3 number, since 3×137501254253 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (13750125421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301070 + ... + 343719.
It is an arithmetic number, because the mean of its divisors is an integer number (1422514205).
Almost surely, 213750125425 is an apocalyptic number.
It is an amenable number.
13750125425 is a deficient number, since it is larger than the sum of its proper divisors (3320045035).
13750125425 is an equidigital number, since it uses as much as digits as its factorization.
13750125425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645652 (or 645647 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 35.
The spelling of 13750125425 in words is "thirteen billion, seven hundred fifty million, one hundred twenty-five thousand, four hundred twenty-five".
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