Base | Representation |
---|---|
bin | 1001100110001100001010… |
… | …10101110001010100011101 |
3 | 2202201110121000200110012012 |
4 | 10303012011111301110131 |
5 | 10231224241304331023 |
6 | 112514435013521005 |
7 | 4305446131132613 |
oct | 463060525612435 |
9 | 82643530613165 |
10 | 21103411402013 |
11 | 67a69a7631936 |
12 | 2449b95943165 |
13 | ba1073a77885 |
14 | 52d5a681d6b3 |
15 | 268e35092978 |
hex | 13318557151d |
21103411402013 has 8 divisors (see below), whose sum is σ = 21262356261216. Its totient is φ = 20945060730000.
The previous prime is 21103411402001. The next prime is 21103411402039. The reversal of 21103411402013 is 31020411430112.
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 21103411402013 - 224 = 21103394624797 is a prime.
It is a super-2 number, since 2×211034114020132 (a number of 27 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 21103411402013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21103411402043) 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, 148475498 + ... + 148617563.
It is an arithmetic number, because the mean of its divisors is an integer number (2657794532652).
Almost surely, 221103411402013 is an apocalyptic number.
It is an amenable number.
21103411402013 is a deficient number, since it is larger than the sum of its proper divisors (158944859203).
21103411402013 is a wasteful number, since it uses less digits than its factorization.
21103411402013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 297093595.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 21103411402013 its reverse (31020411430112), we get a palindrome (52123822832125).
The spelling of 21103411402013 in words is "twenty-one trillion, one hundred three billion, four hundred eleven million, four hundred two thousand, thirteen".
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