Base | Representation |
---|---|
bin | 1100110000001111011011… |
… | …10100010100011101001110 |
3 | 10200022011012012200210200222 |
4 | 12120013231310110131032 |
5 | 12134000330314003204 |
6 | 135352024351551342 |
7 | 5623146563314061 |
oct | 630075564243516 |
9 | 120264165623628 |
10 | 28045831391054 |
11 | 8a33196737764 |
12 | 318b57822b552 |
13 | 12859311100a9 |
14 | 6cd5d57468d8 |
15 | 33980a712abe |
hex | 1981edd1474e |
28045831391054 has 8 divisors (see below), whose sum is σ = 42502445510448. Its totient is φ = 13878349554240.
The previous prime is 28045831391041. The next prime is 28045831391059. The reversal of 28045831391054 is 45019313854082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 28045831390987 and 28045831391005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28045831391059) 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 3 ways as a sum of consecutive naturals, for example, 72283070402 + ... + 72283070789.
It is an arithmetic number, because the mean of its divisors is an integer number (5312805688806).
Almost surely, 228045831391054 is an apocalyptic number.
28045831391054 is a deficient number, since it is larger than the sum of its proper divisors (14456614119394).
28045831391054 is a wasteful number, since it uses less digits than its factorization.
28045831391054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144566141290.
The product of its (nonzero) digits is 4147200, while the sum is 53.
The spelling of 28045831391054 in words is "twenty-eight trillion, forty-five billion, eight hundred thirty-one million, three hundred ninety-one thousand, fifty-four".
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