Base | Representation |
---|---|
bin | 11100101111011001… |
… | …01110111101110011 |
3 | 1110211100020121121212 |
4 | 32113230232331303 |
5 | 223100034110321 |
6 | 11031034110335 |
7 | 1054240510241 |
oct | 162754567563 |
9 | 43740217555 |
10 | 15429988211 |
11 | 65a890a580 |
12 | 2ba757b3ab |
13 | 15bb95a151 |
14 | a65393791 |
15 | 60494d55b |
hex | 397b2ef73 |
15429988211 has 16 divisors (see below), whose sum is σ = 17420659200. Its totient is φ = 13537725600.
The previous prime is 15429988207. The next prime is 15429988237. The reversal of 15429988211 is 11288992451.
It is a cyclic number.
It is not a de Polignac number, because 15429988211 - 22 = 15429988207 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 15429988211.
It is not an unprimeable number, because it can be changed into a prime (15429988111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839126 + ... + 857316.
It is an arithmetic number, because the mean of its divisors is an integer number (1088791200).
Almost surely, 215429988211 is an apocalyptic number.
15429988211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
15429988211 is a deficient number, since it is larger than the sum of its proper divisors (1990670989).
15429988211 is a wasteful number, since it uses less digits than its factorization.
15429988211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20890.
The product of its digits is 414720, while the sum is 50.
The spelling of 15429988211 in words is "fifteen billion, four hundred twenty-nine million, nine hundred eighty-eight thousand, two hundred eleven".
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