Base | Representation |
---|---|
bin | 10101011110001001… |
… | …110101110101001001 |
3 | 2012111201001122122111 |
4 | 111132021311311021 |
5 | 334203421141234 |
6 | 14331401222321 |
7 | 1444211541400 |
oct | 253611656511 |
9 | 65451048574 |
10 | 23054474569 |
11 | 9860716a75 |
12 | 4574a919a1 |
13 | 2235453139 |
14 | 1189c2c637 |
15 | 8edec0664 |
hex | 55e275d49 |
23054474569 has 27 divisors (see below), whose sum is σ = 27203466087. Its totient is φ = 19481294448.
The previous prime is 23054474561. The next prime is 23054474617. The reversal of 23054474569 is 96547445032.
The square root of 23054474569 is 151837.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 16068858169 + 6985616400 = 126763^2 + 83580^2 .
It is not a de Polignac number, because 23054474569 - 23 = 23054474561 is a prime.
It is a super-2 number, since 2×230544745692 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is not an unprimeable number, because it can be changed into a prime (23054474561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 115851532 + ... + 115851730.
It is an arithmetic number, because the mean of its divisors is an integer number (1007535781).
Almost surely, 223054474569 is an apocalyptic number.
23054474569 is the 151837-th square number.
23054474569 is the 75919-th centered octagonal number.
It is an amenable number.
23054474569 is a deficient number, since it is larger than the sum of its proper divisors (4148991518).
23054474569 is an frugal number, since it uses more digits than its factorization.
23054474569 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 630 (or 315 counting only the distinct ones).
The product of its (nonzero) digits is 3628800, while the sum is 49.
Multiplying 23054474569 by its sum of digits (49), we get a square (1129669253881 = 10628592).
23054474569 divided by its sum of digits (49) gives a square (470499481 = 216912).
The spelling of 23054474569 in words is "twenty-three billion, fifty-four million, four hundred seventy-four thousand, five hundred sixty-nine".
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