Base | Representation |
---|---|
bin | 11000101000100010… |
… | …11111011001001001 |
3 | 1021010200020012021220 |
4 | 30110101133121021 |
5 | 204041101444431 |
6 | 10024150152253 |
7 | 645504624252 |
oct | 142421373111 |
9 | 37120205256 |
10 | 13225031241 |
11 | 5677204794 |
12 | 2691052689 |
13 | 1329bb1496 |
14 | 8d65c5b29 |
15 | 5260a2b96 |
hex | 31445f649 |
13225031241 has 8 divisors (see below), whose sum is σ = 18202193664. Its totient is φ = 8532278160.
The previous prime is 13225031231. The next prime is 13225031297. The reversal of 13225031241 is 14213052231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13225031241 - 214 = 13225014857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13225031201) 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, 71102226 + ... + 71102411.
It is an arithmetic number, because the mean of its divisors is an integer number (2275274208).
Almost surely, 213225031241 is an apocalyptic number.
It is an amenable number.
13225031241 is a deficient number, since it is larger than the sum of its proper divisors (4977162423).
13225031241 is a wasteful number, since it uses less digits than its factorization.
13225031241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142204671.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 13225031241 its reverse (14213052231), we get a palindrome (27438083472).
The spelling of 13225031241 in words is "thirteen billion, two hundred twenty-five million, thirty-one thousand, two hundred forty-one".
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