Base | Representation |
---|---|
bin | 111111001111110… |
… | …0101000100000001 |
3 | 12110220022022101101 |
4 | 1332133211010001 |
5 | 13321241114424 |
6 | 550330134401 |
7 | 103406315563 |
oct | 17637450401 |
9 | 5426268341 |
10 | 2122207489 |
11 | 999a26996 |
12 | 4b2881401 |
13 | 27a894c9c |
14 | 161bcb333 |
15 | c64a2344 |
hex | 7e7e5101 |
2122207489 has 4 divisors (see below), whose sum is σ = 2233902640. Its totient is φ = 2010512340.
The previous prime is 2122207481. The next prime is 2122207499. The reversal of 2122207489 is 9847022212.
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 cyclic number.
It is not a de Polignac number, because 2122207489 - 23 = 2122207481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2122207481) 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, 55847547 + ... + 55847584.
It is an arithmetic number, because the mean of its divisors is an integer number (558475660).
Almost surely, 22122207489 is an apocalyptic number.
It is an amenable number.
2122207489 is a deficient number, since it is larger than the sum of its proper divisors (111695151).
2122207489 is a wasteful number, since it uses less digits than its factorization.
2122207489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111695150.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 2122207489 is about 46067.4232945582. The cubic root of 2122207489 is about 1285.0773851563.
The spelling of 2122207489 in words is "two billion, one hundred twenty-two million, two hundred seven thousand, four hundred eighty-nine".
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