Base | Representation |
---|---|
bin | 1010100011111010100001… |
… | …11000110100000101110101 |
3 | 10001020012211120201021120211 |
4 | 11101331100320310011311 |
5 | 11021001223240141211 |
6 | 121221023155225421 |
7 | 4614616306252306 |
oct | 521752070640565 |
9 | 101205746637524 |
10 | 23224245240181 |
11 | 744438aa8a797 |
12 | 27310208a8271 |
13 | cc606319616b |
14 | 5a40b926c7ad |
15 | 2a41b1333e21 |
hex | 151f50e34175 |
23224245240181 has 2 divisors, whose sum is σ = 23224245240182. Its totient is φ = 23224245240180.
The previous prime is 23224245240109. The next prime is 23224245240221. The reversal of 23224245240181 is 18104254242232.
It is an a-pointer prime, because the next prime (23224245240221) can be obtained adding 23224245240181 to its sum of digits (40).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23049274533156 + 174970707025 = 4800966^2 + 418295^2 .
It is a cyclic number.
It is not a de Polignac number, because 23224245240181 - 223 = 23224236851573 is a prime.
It is a super-2 number, since 2×232242452401812 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23224245249181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612122620090 + 11612122620091.
It is an arithmetic number, because the mean of its divisors is an integer number (11612122620091).
Almost surely, 223224245240181 is an apocalyptic number.
It is an amenable number.
23224245240181 is a deficient number, since it is larger than the sum of its proper divisors (1).
23224245240181 is an equidigital number, since it uses as much as digits as its factorization.
23224245240181 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 245760, while the sum is 40.
The spelling of 23224245240181 in words is "twenty-three trillion, two hundred twenty-four billion, two hundred forty-five million, two hundred forty thousand, one hundred eighty-one".
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