Base | Representation |
---|---|
bin | 1010001110010000110110… |
… | …01010001010111011001001 |
3 | 2221121002121202201221201100 |
4 | 11013020123022022323021 |
5 | 10421304141001301111 |
6 | 115451151445212013 |
7 | 4510102102152612 |
oct | 507103312127311 |
9 | 87532552657640 |
10 | 22480314478281 |
11 | 718793650a500 |
12 | 2630a03a01009 |
13 | c70b664b806a |
14 | 57a0a570ac09 |
15 | 28eb70649756 |
hex | 14721b28aec9 |
22480314478281 has 27 divisors (see below), whose sum is σ = 35692134308103. Its totient is φ = 13624338190320.
The previous prime is 22480314478243. The next prime is 22480314478301. The reversal of 22480314478281 is 18287441308422.
The square root of 22480314478281 is 4741341.
It is a perfect power (a square), and thus also a powerful number.
22480314478281 is a `hidden beast` number, since 2 + 2 + 4 + 8 + 0 + 314 + 47 + 8 + 281 = 666.
It can be written as a sum of positive squares in only one way, i.e., 22457789271225 + 22525207056 = 4738965^2 + 150084^2 .
It is not a de Polignac number, because 22480314478281 - 211 = 22480314476233 is a prime.
It is a super-2 number, since 2×224803144782812 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22480314478231) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 156392415 + ... + 156536091.
Almost surely, 222480314478281 is an apocalyptic number.
22480314478281 is the 4741341-st square number.
22480314478281 is the 2370671-st centered octagonal number.
It is an amenable number.
22480314478281 is a deficient number, since it is larger than the sum of its proper divisors (13211819829822).
22480314478281 is an frugal number, since it uses more digits than its factorization.
22480314478281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287382 (or 143691 counting only the distinct ones).
The product of its (nonzero) digits is 5505024, while the sum is 54.
The spelling of 22480314478281 in words is "twenty-two trillion, four hundred eighty billion, three hundred fourteen million, four hundred seventy-eight thousand, two hundred eighty-one".
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