Base | Representation |
---|---|
bin | 111110101001110… |
… | …0100010001010110 |
3 | 12102111210221210110 |
4 | 1331103210101112 |
5 | 13301141000202 |
6 | 544335103450 |
7 | 103045045002 |
oct | 17523442126 |
9 | 5374727713 |
10 | 2102281302 |
11 | 989757070 |
12 | 4a8071b86 |
13 | 276709344 |
14 | 15d2c1702 |
15 | c486826c |
hex | 7d4e4456 |
2102281302 has 64 divisors (see below), whose sum is σ = 4923327744. Its totient is φ = 591344640.
The previous prime is 2102281289. The next prime is 2102281417. The reversal of 2102281302 is 2031822012.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69073 + ... + 94739.
It is an arithmetic number, because the mean of its divisors is an integer number (76926996).
Almost surely, 22102281302 is an apocalyptic number.
2102281302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2102281302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461663872).
2102281302 is an abundant number, since it is smaller than the sum of its proper divisors (2821046442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102281302 is a wasteful number, since it uses less digits than its factorization.
2102281302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25773.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 2102281302 is about 45850.6412387003. The cubic root of 2102281302 is about 1281.0427095241.
The spelling of 2102281302 in words is "two billion, one hundred two million, two hundred eighty-one thousand, three hundred two".
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