Base | Representation |
---|---|
bin | 111111011010111… |
… | …1110000011100101 |
3 | 12111022100111212202 |
4 | 1332311332003211 |
5 | 13324241431104 |
6 | 551100024245 |
7 | 103510233131 |
oct | 17665760345 |
9 | 5438314782 |
10 | 2128077029 |
11 | 9a2275851 |
12 | 4b4832085 |
13 | 27bb6b7a0 |
14 | 1628b83c1 |
15 | c6c6151e |
hex | 7ed7e0e5 |
2128077029 has 8 divisors (see below), whose sum is σ = 2299244640. Its totient is φ = 1957976496.
The previous prime is 2128077019. The next prime is 2128077037. The reversal of 2128077029 is 9207708212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2128077029 - 24 = 2128077013 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2128076983 and 2128077001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2128077019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262619 + ... + 270600.
It is an arithmetic number, because the mean of its divisors is an integer number (287405580).
Almost surely, 22128077029 is an apocalyptic number.
It is an amenable number.
2128077029 is a deficient number, since it is larger than the sum of its proper divisors (171167611).
2128077029 is a wasteful number, since it uses less digits than its factorization.
2128077029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 533539.
The product of its (nonzero) digits is 28224, while the sum is 38.
The square root of 2128077029 is about 46131.0852788009. The cubic root of 2128077029 is about 1286.2610378578.
The spelling of 2128077029 in words is "two billion, one hundred twenty-eight million, seventy-seven thousand, twenty-nine".
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