Base | Representation |
---|---|
bin | 11000011100100001… |
… | …11110000001001001 |
3 | 1020212122120000200120 |
4 | 30032100332001021 |
5 | 203334300344431 |
6 | 10010145453453 |
7 | 643142060562 |
oct | 141620760111 |
9 | 36778500616 |
10 | 13124231241 |
11 | 5625317200 |
12 | 2663341289 |
13 | 131204a804 |
14 | 8c7067169 |
15 | 51c2e1196 |
hex | 30e43e049 |
13124231241 has 48 divisors (see below), whose sum is σ = 19908861504. Its totient is φ = 7679232000.
The previous prime is 13124231179. The next prime is 13124231287. The reversal of 13124231241 is 14213242131.
It is not a de Polignac number, because 13124231241 - 215 = 13124198473 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13124231291) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1439106 + ... + 1448196.
It is an arithmetic number, because the mean of its divisors is an integer number (414767948).
Almost surely, 213124231241 is an apocalyptic number.
13124231241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13124231241 is a deficient number, since it is larger than the sum of its proper divisors (6784630263).
13124231241 is a wasteful number, since it uses less digits than its factorization.
13124231241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9254 (or 9243 counting only the distinct ones).
The product of its digits is 1152, while the sum is 24.
Adding to 13124231241 its reverse (14213242131), we get a palindrome (27337473372).
The spelling of 13124231241 in words is "thirteen billion, one hundred twenty-four million, two hundred thirty-one thousand, two hundred forty-one".
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