Base | Representation |
---|---|
bin | 111110001000111… |
… | …1011000001001011 |
3 | 12101022102200101212 |
4 | 1330101323001023 |
5 | 13232234313341 |
6 | 542522203335 |
7 | 102445553642 |
oct | 17421730113 |
9 | 5338380355 |
10 | 2085072971 |
11 | 97aa73203 |
12 | 4a235354b |
13 | 272c927b7 |
14 | 15acc2359 |
15 | c30b95eb |
hex | 7c47b04b |
2085072971 has 4 divisors (see below), whose sum is σ = 2085167832. Its totient is φ = 2084978112.
The previous prime is 2085072961. The next prime is 2085073013. The reversal of 2085072971 is 1792705802.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2085072971 - 26 = 2085072907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2085072931) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475 + ... + 64731.
It is an arithmetic number, because the mean of its divisors is an integer number (521291958).
Almost surely, 22085072971 is an apocalyptic number.
2085072971 is a deficient number, since it is larger than the sum of its proper divisors (94861).
2085072971 is an equidigital number, since it uses as much as digits as its factorization.
2085072971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94860.
The product of its (nonzero) digits is 70560, while the sum is 41.
The square root of 2085072971 is about 45662.5992580361. The cubic root of 2085072971 is about 1277.5377819538.
The spelling of 2085072971 in words is "two billion, eighty-five million, seventy-two thousand, nine hundred seventy-one".
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