Base | Representation |
---|---|
bin | 11010110100100110… |
… | …111111011000000000 |
3 | 2202100010010201012012 |
4 | 122310212333120000 |
5 | 432440240024322 |
6 | 21121442152052 |
7 | 2036455212110 |
oct | 326446773000 |
9 | 82303121165 |
10 | 28799923712 |
11 | 11239895a4a |
12 | 56b9052628 |
13 | 293c874ca1 |
14 | 1572cd9040 |
15 | b385c5ae2 |
hex | 6b49bf600 |
28799923712 has 40 divisors (see below), whose sum is σ = 65764119696. Its totient is φ = 12342822912.
The previous prime is 28799923709. The next prime is 28799923741. The reversal of 28799923712 is 21732999782.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4014263 + ... + 4021430.
Almost surely, 228799923712 is an apocalyptic number.
It is an amenable number.
28799923712 is an abundant number, since it is smaller than the sum of its proper divisors (36964195984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28799923712 is an frugal number, since it uses more digits than its factorization.
28799923712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8035718 (or 8035702 counting only the distinct ones).
The product of its digits is 6858432, while the sum is 59.
The spelling of 28799923712 in words is "twenty-eight billion, seven hundred ninety-nine million, nine hundred twenty-three thousand, seven hundred twelve".
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