Base | Representation |
---|---|
bin | 11000101010011101… |
… | …10111100111011000 |
3 | 1021011210111122121210 |
4 | 30111032313213120 |
5 | 204104211334430 |
6 | 10025523103120 |
7 | 646061450004 |
oct | 142516674730 |
9 | 37153448553 |
10 | 13241121240 |
11 | 56852a4406 |
12 | 2696511aa0 |
13 | 1330325ca9 |
14 | 8d87b3704 |
15 | 5276d02b0 |
hex | 3153b79d8 |
13241121240 has 64 divisors (see below), whose sum is σ = 40013364960. Its totient is φ = 3505187840.
The previous prime is 13241121239. The next prime is 13241121247. The reversal of 13241121240 is 4212114231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13241121247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386271 + ... + 419150.
Almost surely, 213241121240 is an apocalyptic number.
13241121240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13241121240 is an abundant number, since it is smaller than the sum of its proper divisors (26772243720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13241121240 is a wasteful number, since it uses less digits than its factorization.
13241121240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805572 (or 805568 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 13241121240 its reverse (4212114231), we get a palindrome (17453235471).
The spelling of 13241121240 in words is "thirteen billion, two hundred forty-one million, one hundred twenty-one thousand, two hundred forty".
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