Base | Representation |
---|---|
bin | 1100110000011111111011… |
… | …01110110010111101010001 |
3 | 10200100000001110120001202101 |
4 | 12120033331232302331101 |
5 | 12134122000202010134 |
6 | 135400051302320401 |
7 | 5623612221025330 |
oct | 630177556627521 |
9 | 120300043501671 |
10 | 28054688313169 |
11 | 8a36a21194401 |
12 | 319122a429101 |
13 | 12867130460cb |
14 | 6cdbd5b55d17 |
15 | 339b7807ae14 |
hex | 1983fdbb2f51 |
28054688313169 has 4 divisors (see below), whose sum is σ = 32062500929344. Its totient is φ = 24046875696996.
The previous prime is 28054688313163. The next prime is 28054688313269. The reversal of 28054688313169 is 96131388645082.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 28054688313169 - 23 = 28054688313161 is a prime.
It is a super-2 number, since 2×280546883131692 (a number of 28 digits) contains 22 as substring.
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 28054688313169.
It is not an unprimeable number, because it can be changed into a prime (28054688313161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003906308077 + ... + 2003906308090.
It is an arithmetic number, because the mean of its divisors is an integer number (8015625232336).
Almost surely, 228054688313169 is an apocalyptic number.
28054688313169 is the 3058033-rd hex number.
It is an amenable number.
28054688313169 is a deficient number, since it is larger than the sum of its proper divisors (4007812616175).
28054688313169 is an equidigital number, since it uses as much as digits as its factorization.
28054688313169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4007812616174.
The product of its (nonzero) digits is 59719680, while the sum is 64.
The spelling of 28054688313169 in words is "twenty-eight trillion, fifty-four billion, six hundred eighty-eight million, three hundred thirteen thousand, one hundred sixty-nine".
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