Base | Representation |
---|---|
bin | 1011111011110000000100… |
… | …0101110111001001011101 |
3 | 1201110100222001012000221221 |
4 | 2332330001011313021131 |
5 | 3204434100202344401 |
6 | 43523434200053341 |
7 | 2522654110500466 |
oct | 276740105671135 |
9 | 51410861160857 |
10 | 13121143403101 |
11 | 41a9711424558 |
12 | 157ab70464251 |
13 | 74241aa0bc66 |
14 | 3350d1167d6d |
15 | 17b49ebe87a1 |
hex | bef0117725d |
13121143403101 has 16 divisors (see below), whose sum is σ = 13710453202944. Its totient is φ = 12533405735664.
The previous prime is 13121143403041. The next prime is 13121143403177. The reversal of 13121143403101 is 10130434112131.
It is a cyclic number.
It is not a de Polignac number, because 13121143403101 - 211 = 13121143401053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13121143403801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204273876 + ... + 204338098.
It is an arithmetic number, because the mean of its divisors is an integer number (856903325184).
Almost surely, 213121143403101 is an apocalyptic number.
It is an amenable number.
13121143403101 is a deficient number, since it is larger than the sum of its proper divisors (589309799843).
13121143403101 is a wasteful number, since it uses less digits than its factorization.
13121143403101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76320.
The product of its (nonzero) digits is 864, while the sum is 25.
Adding to 13121143403101 its reverse (10130434112131), we get a palindrome (23251577515232).
The spelling of 13121143403101 in words is "thirteen trillion, one hundred twenty-one billion, one hundred forty-three million, four hundred three thousand, one hundred one".
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