Base | Representation |
---|---|
bin | 1000010001100000… |
… | …1010101111101100 |
3 | 12201210001211102212 |
4 | 2010120022233230 |
5 | 14022024143410 |
6 | 1004214105552 |
7 | 106015401455 |
oct | 20430125754 |
9 | 5653054385 |
10 | 2220927980 |
11 | a3a724077 |
12 | 51b94b2b8 |
13 | 29517b28b |
14 | 170d6812c |
15 | ceea2b05 |
hex | 8460abec |
2220927980 has 12 divisors (see below), whose sum is σ = 4663948800. Its totient is φ = 888371184.
The previous prime is 2220927901. The next prime is 2220928037. The reversal of 2220927980 is 897290222.
It is a happy number.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
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, 55523180 + ... + 55523219.
It is an arithmetic number, because the mean of its divisors is an integer number (388662400).
Almost surely, 22220927980 is an apocalyptic number.
2220927980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220927980 is an abundant number, since it is smaller than the sum of its proper divisors (2443020820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220927980 is a wasteful number, since it uses less digits than its factorization.
2220927980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111046408 (or 111046406 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 2220927980 is about 47126.7225679868. The cubic root of 2220927980 is about 1304.7024918415.
The spelling of 2220927980 in words is "two billion, two hundred twenty million, nine hundred twenty-seven thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •