Base | Representation |
---|---|
bin | 11000011111000001… |
… | …01111000010110111 |
3 | 1020221002220101002001 |
4 | 30033200233002313 |
5 | 203410124011211 |
6 | 10012214000131 |
7 | 643514600332 |
oct | 141740570267 |
9 | 36832811061 |
10 | 13145141431 |
11 | 56360a9354 |
12 | 266a346047 |
13 | 131648c2c6 |
14 | 8c9b4b619 |
15 | 51e071ac1 |
hex | 30f82f0b7 |
13145141431 has 8 divisors (see below), whose sum is σ = 14314129200. Its totient is φ = 12023867520.
The previous prime is 13145141411. The next prime is 13145141437. The reversal of 13145141431 is 13414154131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13145141431 - 211 = 13145139383 is a prime.
It is a super-2 number, since 2×131451414312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13145141431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13145141437) 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, 11927890 + ... + 11928991.
It is an arithmetic number, because the mean of its divisors is an integer number (1789266150).
Almost surely, 213145141431 is an apocalyptic number.
13145141431 is a deficient number, since it is larger than the sum of its proper divisors (1168987769).
13145141431 is a wasteful number, since it uses less digits than its factorization.
13145141431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23856929.
The product of its digits is 2880, while the sum is 28.
Adding to 13145141431 its reverse (13414154131), we get a palindrome (26559295562).
The spelling of 13145141431 in words is "thirteen billion, one hundred forty-five million, one hundred forty-one thousand, four hundred thirty-one".
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