Base | Representation |
---|---|
bin | 1010100011100100100000… |
… | …10011010001110000010001 |
3 | 10001012002022202102021000200 |
4 | 11101302100103101300101 |
5 | 11020303021101141040 |
6 | 121211350202205413 |
7 | 4614020340360330 |
oct | 521622023216021 |
9 | 101162282367020 |
10 | 23212424240145 |
11 | 743a374378478 |
12 | 272a881ab3869 |
13 | cc4bcb14529a |
14 | 5a36b7327d17 |
15 | 2a3c1d670630 |
hex | 151c904d1c11 |
23212424240145 has 48 divisors (see below), whose sum is σ = 48402849555840. Its totient is φ = 10052899517952.
The previous prime is 23212424240143. The next prime is 23212424240149. The reversal of 23212424240145 is 54104242421232.
23212424240145 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 2 + 4 + 242 + 401 + 4 + 5 = 666.
It is not a de Polignac number, because 23212424240145 - 21 = 23212424240143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23212424240143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1939210744 + ... + 1939222713.
It is an arithmetic number, because the mean of its divisors is an integer number (1008392699080).
Almost surely, 223212424240145 is an apocalyptic number.
It is an amenable number.
23212424240145 is an abundant number, since it is smaller than the sum of its proper divisors (25190425315695).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23212424240145 is a wasteful number, since it uses less digits than its factorization.
23212424240145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3878433494 (or 3878433491 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 36.
Adding to 23212424240145 its reverse (54104242421232), we get a palindrome (77316666661377).
The spelling of 23212424240145 in words is "twenty-three trillion, two hundred twelve billion, four hundred twenty-four million, two hundred forty thousand, one hundred forty-five".
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