Base | Representation |
---|---|
bin | 11010011011110010… |
… | …010100001010011101 |
3 | 2201021002111021012000 |
4 | 122123302110022131 |
5 | 431112131241140 |
6 | 21012244032513 |
7 | 2023240306131 |
oct | 323362241235 |
9 | 81232437160 |
10 | 28383462045 |
11 | 110457a7154 |
12 | 5601692739 |
13 | 28a44bb973 |
14 | 153388b3c1 |
15 | b11c5ea30 |
hex | 69bc9429d |
28383462045 has 32 divisors (see below), whose sum is σ = 50475753600. Its totient is φ = 15132966912.
The previous prime is 28383462043. The next prime is 28383462071. The reversal of 28383462045 is 54026438382.
28383462045 is a `hidden beast` number, since 28 + 383 + 46 + 204 + 5 = 666.
It is not a de Polignac number, because 28383462045 - 21 = 28383462043 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28383462043) 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, 407709 + ... + 472221.
It is an arithmetic number, because the mean of its divisors is an integer number (1577367300).
Almost surely, 228383462045 is an apocalyptic number.
It is an amenable number.
28383462045 is a deficient number, since it is larger than the sum of its proper divisors (22092291555).
28383462045 is a wasteful number, since it uses less digits than its factorization.
28383462045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67786 (or 67780 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 45.
The spelling of 28383462045 in words is "twenty-eight billion, three hundred eighty-three million, four hundred sixty-two thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •