Base | Representation |
---|---|
bin | 101010010001010100… |
… | …101001100100011011 |
3 | 11100011011010020112210 |
4 | 222101110221210123 |
5 | 1220423233014202 |
6 | 32503441410203 |
7 | 3164515533201 |
oct | 522124514433 |
9 | 140134106483 |
10 | 45387782427 |
11 | 18281246799 |
12 | 8968339963 |
13 | 43843656c0 |
14 | 22a7d73071 |
15 | 12a99dbc6c |
hex | a9152991b |
45387782427 has 32 divisors (see below), whose sum is σ = 66271313920. Its totient is φ = 27460321920.
The previous prime is 45387782413. The next prime is 45387782437. The reversal of 45387782427 is 72428778354.
It is not a de Polignac number, because 45387782427 - 210 = 45387781403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45387782437) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8863974 + ... + 8869092.
It is an arithmetic number, because the mean of its divisors is an integer number (2070978560).
Almost surely, 245387782427 is an apocalyptic number.
45387782427 is a deficient number, since it is larger than the sum of its proper divisors (20883531493).
45387782427 is a wasteful number, since it uses less digits than its factorization.
45387782427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8923.
The product of its digits is 21073920, while the sum is 57.
The spelling of 45387782427 in words is "forty-five billion, three hundred eighty-seven million, seven hundred eighty-two thousand, four hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •