Base | Representation |
---|---|
bin | 11010011011100100… |
… | …01010110011101110 |
3 | 1100121220210120000110 |
4 | 31031302022303232 |
5 | 213030103231430 |
6 | 10304014440450 |
7 | 1011432102621 |
oct | 151562126356 |
9 | 40556716013 |
10 | 14189898990 |
11 | 6021912153 |
12 | 2900203126 |
13 | 1451a6a647 |
14 | 9887c9db8 |
15 | 580b447b0 |
hex | 34dc8acee |
14189898990 has 64 divisors (see below), whose sum is σ = 35613997056. Its totient is φ = 3611553792.
The previous prime is 14189898973. The next prime is 14189899001. The reversal of 14189898990 is 9989898141.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297262 + ... + 341678.
It is an arithmetic number, because the mean of its divisors is an integer number (556468704).
Almost surely, 214189898990 is an apocalyptic number.
14189898990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 14189898990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17806998528).
14189898990 is an abundant number, since it is smaller than the sum of its proper divisors (21424098066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14189898990 is a wasteful number, since it uses less digits than its factorization.
14189898990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44913.
The product of its (nonzero) digits is 13436928, while the sum is 66.
The spelling of 14189898990 in words is "fourteen billion, one hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred ninety".
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