Base | Representation |
---|---|
bin | 11010100000000100… |
… | …010000100000101110 |
3 | 2201110002121201102010 |
4 | 122200010100200232 |
5 | 431234022241132 |
6 | 21023331142050 |
7 | 2025101562042 |
oct | 324004204056 |
9 | 81402551363 |
10 | 28455274542 |
11 | 11082295a22 |
12 | 5621744926 |
13 | 28b6343476 |
14 | 153d222022 |
15 | b181e76cc |
hex | 6a011082e |
28455274542 has 16 divisors (see below), whose sum is σ = 58746373632. Its totient is φ = 9179120760.
The previous prime is 28455274489. The next prime is 28455274591. The reversal of 28455274542 is 24547255482.
It is a junction number, because it is equal to n+sod(n) for n = 28455274491 and 28455274500.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76492488 + ... + 76492859.
It is an arithmetic number, because the mean of its divisors is an integer number (3671648352).
Almost surely, 228455274542 is an apocalyptic number.
28455274542 is an abundant number, since it is smaller than the sum of its proper divisors (30291099090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28455274542 is a wasteful number, since it uses less digits than its factorization.
28455274542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152985383.
The product of its digits is 3584000, while the sum is 48.
The spelling of 28455274542 in words is "twenty-eight billion, four hundred fifty-five million, two hundred seventy-four thousand, five hundred forty-two".
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