Base | Representation |
---|---|
bin | 1010011110110000011111… |
… | …00001000101101011010101 |
3 | 10000121021110212201110021022 |
4 | 11033120033201011223111 |
5 | 11010100332014430311 |
6 | 121003400522130525 |
7 | 4566044334602660 |
oct | 517301741055325 |
9 | 100537425643238 |
10 | 23047054842581 |
11 | 7386223694470 |
12 | 2702810050a45 |
13 | cb2435661753 |
14 | 5996aa6766d7 |
15 | 29e7906105db |
hex | 14f60f845ad5 |
23047054842581 has 16 divisors (see below), whose sum is σ = 28762468241280. Its totient is φ = 17940945415680.
The previous prime is 23047054842517. The next prime is 23047054842593. The reversal of 23047054842581 is 18524845074032.
It is a happy number.
It is not a de Polignac number, because 23047054842581 - 26 = 23047054842517 is a prime.
It is a super-2 number, since 2×230470548425812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23047054842281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148243616 + ... + 148399001.
It is an arithmetic number, because the mean of its divisors is an integer number (1797654265080).
Almost surely, 223047054842581 is an apocalyptic number.
It is an amenable number.
23047054842581 is a deficient number, since it is larger than the sum of its proper divisors (5715413398699).
23047054842581 is a wasteful number, since it uses less digits than its factorization.
23047054842581 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296643644.
The product of its (nonzero) digits is 8601600, while the sum is 53.
The spelling of 23047054842581 in words is "twenty-three trillion, forty-seven billion, fifty-four million, eight hundred forty-two thousand, five hundred eighty-one".
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