Base | Representation |
---|---|
bin | 111111011110011… |
… | …1110011111000000 |
3 | 12111102210211110000 |
4 | 1332330332133000 |
5 | 13330224220132 |
6 | 551203240000 |
7 | 103531653126 |
oct | 17674763700 |
9 | 5442724400 |
10 | 2129913792 |
11 | 9a330a836 |
12 | 4b5379000 |
13 | 27c362826 |
14 | 162c35916 |
15 | c6ec587c |
hex | 7ef3e7c0 |
2129913792 has 140 divisors (see below), whose sum is σ = 6361938000. Its totient is φ = 704553984.
The previous prime is 2129913749. The next prime is 2129913817. The reversal of 2129913792 is 2973199212.
It is a super-2 number, since 2×21299137922 = 9073065522703638528, which contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 708709 + ... + 711707.
Almost surely, 22129913792 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2129913792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3180969000).
2129913792 is an abundant number, since it is smaller than the sum of its proper divisors (4232024208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2129913792 is a wasteful number, since it uses less digits than its factorization.
2129913792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3160 (or 3141 counting only the distinct ones).
The product of its digits is 122472, while the sum is 45.
The square root of 2129913792 is about 46150.9890684913. The cubic root of 2129913792 is about 1286.6309927140.
The spelling of 2129913792 in words is "two billion, one hundred twenty-nine million, nine hundred thirteen thousand, seven hundred ninety-two".
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