Base | Representation |
---|---|
bin | 10110110000111010… |
… | …10101110101110110 |
3 | 1011112201220202221010 |
4 | 23120131111311312 |
5 | 200012201124021 |
6 | 5340421133050 |
7 | 611601035403 |
oct | 133035256566 |
9 | 34481822833 |
10 | 12221504886 |
11 | 52017a2568 |
12 | 2450b5a186 |
13 | 11ca00b1c6 |
14 | 83d1db2aa |
15 | 4b7e26976 |
hex | 2d8755d76 |
12221504886 has 8 divisors (see below), whose sum is σ = 24443009784. Its totient is φ = 4073834960.
The previous prime is 12221504873. The next prime is 12221504921. The reversal of 12221504886 is 68840512221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
12221504886 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018458735 + ... + 1018458746.
It is an arithmetic number, because the mean of its divisors is an integer number (3055376223).
Almost surely, 212221504886 is an apocalyptic number.
12221504886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12221504886 is a wasteful number, since it uses less digits than its factorization.
12221504886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2036917486.
The product of its (nonzero) digits is 61440, while the sum is 39.
The spelling of 12221504886 in words is "twelve billion, two hundred twenty-one million, five hundred four thousand, eight hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •