Base | Representation |
---|---|
bin | 10100000111100111001010… |
… | …10111001100110110100101 |
3 | 12210122111100211102011010002 |
4 | 22003303211113030312211 |
5 | 21244330114332310341 |
6 | 234032255510311045 |
7 | 12214244165321063 |
oct | 1203634527146645 |
9 | 183574324364102 |
10 | 44242011213221 |
11 | 13107a27a41168 |
12 | 4b66494058485 |
13 | 1b8c008336ac3 |
14 | acd479241033 |
15 | 51ac824ad29b |
hex | 283ce55ccda5 |
44242011213221 has 4 divisors (see below), whose sum is σ = 46570538119200. Its totient is φ = 41913484307244.
The previous prime is 44242011213199. The next prime is 44242011213251. The reversal of 44242011213221 is 12231211024244.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a de Polignac number, because none of the positive numbers 2k-44242011213221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (44242011213251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164263452961 + ... + 1164263452998.
It is an arithmetic number, because the mean of its divisors is an integer number (11642634529800).
Almost surely, 244242011213221 is an apocalyptic number.
It is an amenable number.
44242011213221 is a deficient number, since it is larger than the sum of its proper divisors (2328526905979).
44242011213221 is a wasteful number, since it uses less digits than its factorization.
44242011213221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2328526905978.
The product of its (nonzero) digits is 6144, while the sum is 29.
Adding to 44242011213221 its reverse (12231211024244), we get a palindrome (56473222237465).
The spelling of 44242011213221 in words is "forty-four trillion, two hundred forty-two billion, eleven million, two hundred thirteen thousand, two hundred twenty-one".
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