Base | Representation |
---|---|
bin | 111011110100100110… |
… | …011111010111010101 |
3 | 20010210112020100022022 |
4 | 323310212133113111 |
5 | 2023022204212124 |
6 | 45301445542525 |
7 | 4432521544610 |
oct | 736446372725 |
9 | 203715210268 |
10 | 64233272789 |
11 | 2527200a614 |
12 | 10547714a45 |
13 | 60987b572a |
14 | 3174bab177 |
15 | 1a0e205c5e |
hex | ef499f5d5 |
64233272789 has 16 divisors (see below), whose sum is σ = 76272489600. Its totient is φ = 52926398784.
The previous prime is 64233272777. The next prime is 64233272819. The reversal of 64233272789 is 98727233246.
It is not a de Polignac number, because 64233272789 - 28 = 64233272533 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 64233272789.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64233272759) 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, 644387 + ... + 737360.
It is an arithmetic number, because the mean of its divisors is an integer number (4767030600).
Almost surely, 264233272789 is an apocalyptic number.
It is an amenable number.
64233272789 is a deficient number, since it is larger than the sum of its proper divisors (12039216811).
64233272789 is a wasteful number, since it uses less digits than its factorization.
64233272789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1382012.
The product of its digits is 6096384, while the sum is 53.
The spelling of 64233272789 in words is "sixty-four billion, two hundred thirty-three million, two hundred seventy-two thousand, seven hundred eighty-nine".
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