Base | Representation |
---|---|
bin | 111111110100111… |
… | …0010001010110110 |
3 | 12112020220120222110 |
4 | 1333221302022312 |
5 | 13341231103310 |
6 | 552303111450 |
7 | 104033544132 |
oct | 17751621266 |
9 | 5466816873 |
10 | 2141659830 |
11 | 9a9a02802 |
12 | 4b92a2586 |
13 | 28191604b |
14 | 1646123c2 |
15 | c8045d20 |
hex | 7fa722b6 |
2141659830 has 64 divisors (see below), whose sum is σ = 5451427008. Its totient is φ = 536616960.
The previous prime is 2141659787. The next prime is 2141659867. The reversal of 2141659830 is 389561412.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333934 + ... + 340286.
It is an arithmetic number, because the mean of its divisors is an integer number (85178547).
Almost surely, 22141659830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2141659830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725713504).
2141659830 is an abundant number, since it is smaller than the sum of its proper divisors (3309767178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141659830 is a wasteful number, since it uses less digits than its factorization.
2141659830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7041.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 2141659830 is about 46278.0707246964. The cubic root of 2141659830 is about 1288.9918269148.
The spelling of 2141659830 in words is "two billion, one hundred forty-one million, six hundred fifty-nine thousand, eight hundred thirty".
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