Base | Representation |
---|---|
bin | 111111010000001… |
… | …1110110111010010 |
3 | 12110220202100011000 |
4 | 1332200132313102 |
5 | 13321321203432 |
6 | 550335202430 |
7 | 103411323042 |
oct | 17640366722 |
9 | 5426670130 |
10 | 2122444242 |
11 | 99a078856 |
12 | 4b2976416 |
13 | 27a948989 |
14 | 161c4d722 |
15 | c64ec57c |
hex | 7e81edd2 |
2122444242 has 16 divisors (see below), whose sum is σ = 4716542880. Its totient is φ = 707481396.
The previous prime is 2122444231. The next prime is 2122444243. The reversal of 2122444242 is 2424442212.
2122444242 is a `hidden beast` number, since 212 + 2 + 4 + 442 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2122444243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19652208 + ... + 19652315.
It is an arithmetic number, because the mean of its divisors is an integer number (294783930).
Almost surely, 22122444242 is an apocalyptic number.
2122444242 is an abundant number, since it is smaller than the sum of its proper divisors (2594098638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122444242 is a wasteful number, since it uses less digits than its factorization.
2122444242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39304534 (or 39304528 counting only the distinct ones).
The product of its digits is 8192, while the sum is 27.
The square root of 2122444242 is about 46069.9928586927. The cubic root of 2122444242 is about 1285.1251710293.
Adding to 2122444242 its reverse (2424442212), we get a palindrome (4546886454).
The spelling of 2122444242 in words is "two billion, one hundred twenty-two million, four hundred forty-four thousand, two hundred forty-two".
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