Base | Representation |
---|---|
bin | 100101111010001111… |
… | …0010101001101011101 |
3 | 21210010200011110112211 |
4 | 1023310132111031131 |
5 | 2313212204100404 |
6 | 101222200200421 |
7 | 5611304052433 |
oct | 1136436251535 |
9 | 253120143484 |
10 | 81411003229 |
11 | 31587430756 |
12 | 13940469111 |
13 | 78a556697a |
14 | 3d24312d53 |
15 | 21b72d8b04 |
hex | 12f479535d |
81411003229 has 8 divisors (see below), whose sum is σ = 81866810880. Its totient is φ = 80955504000.
The previous prime is 81411003227. The next prime is 81411003239. The reversal of 81411003229 is 92230011418.
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 81411003229 - 21 = 81411003227 is a prime.
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 81411003229.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (81411003227) 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, 462829 + ... + 614029.
It is an arithmetic number, because the mean of its divisors is an integer number (10233351360).
Almost surely, 281411003229 is an apocalyptic number.
It is an amenable number.
81411003229 is a deficient number, since it is larger than the sum of its proper divisors (455807651).
81411003229 is a wasteful number, since it uses less digits than its factorization.
81411003229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154211.
The product of its (nonzero) digits is 3456, while the sum is 31.
The spelling of 81411003229 in words is "eighty-one billion, four hundred eleven million, three thousand, two hundred twenty-nine".
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