Base | Representation |
---|---|
bin | 11010011110100100… |
… | …001110011111101011 |
3 | 2201101100020202001200 |
4 | 122132210032133223 |
5 | 431211101203314 |
6 | 21021031415243 |
7 | 2024344603155 |
oct | 323644163753 |
9 | 81340222050 |
10 | 28430100459 |
11 | 1106a0612a2 |
12 | 5615224523 |
13 | 28b106ac67 |
14 | 1539b4bad5 |
15 | b15dc3709 |
hex | 69e90e7eb |
28430100459 has 24 divisors (see below), whose sum is σ = 41543377200. Its totient is φ = 18733102080.
The previous prime is 28430100449. The next prime is 28430100529. The reversal of 28430100459 is 95400103482.
It is not a de Polignac number, because 28430100459 - 25 = 28430100427 is a prime.
It is a super-2 number, since 2×284301004592 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28430100409) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2694907 + ... + 2705435.
It is an arithmetic number, because the mean of its divisors is an integer number (1730974050).
Almost surely, 228430100459 is an apocalyptic number.
28430100459 is a deficient number, since it is larger than the sum of its proper divisors (13113276741).
28430100459 is a wasteful number, since it uses less digits than its factorization.
28430100459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13995 (or 13992 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The spelling of 28430100459 in words is "twenty-eight billion, four hundred thirty million, one hundred thousand, four hundred fifty-nine".
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