Base | Representation |
---|---|
bin | 111111110101001… |
… | …1110101000111100 |
3 | 12112021020211211202 |
4 | 1333222132220330 |
5 | 13341302420410 |
6 | 552311035032 |
7 | 104035233155 |
oct | 17752365074 |
9 | 5467224752 |
10 | 2141841980 |
11 | 9aa017643 |
12 | 4b936ba78 |
13 | 28197ac25 |
14 | 16465c92c |
15 | c807eca5 |
hex | 7fa9ea3c |
2141841980 has 48 divisors (see below), whose sum is σ = 4659560640. Its totient is φ = 827005760.
The previous prime is 2141841979. The next prime is 2141841991. The reversal of 2141841980 is 891481412.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485585 + ... + 489975.
It is an arithmetic number, because the mean of its divisors is an integer number (97074180).
Almost surely, 22141841980 is an apocalyptic number.
2141841980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2141841980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2329780320).
2141841980 is an abundant number, since it is smaller than the sum of its proper divisors (2517718660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141841980 is an equidigital number, since it uses as much as digits as its factorization.
2141841980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4487 (or 4427 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 38.
The square root of 2141841980 is about 46280.0386775984. The cubic root of 2141841980 is about 1289.0283691645.
The spelling of 2141841980 in words is "two billion, one hundred forty-one million, eight hundred forty-one thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •