Base | Representation |
---|---|
bin | 111101110000000… |
… | …0000010000001011 |
3 | 12100101210212010002 |
4 | 1323200000100023 |
5 | 13220412042321 |
6 | 541333513215 |
7 | 102226413020 |
oct | 17340002013 |
9 | 5311725102 |
10 | 2071987211 |
11 | 973645728 |
12 | 499aa280b |
13 | 270360548 |
14 | 159277547 |
15 | c1d8220b |
hex | 7b80040b |
2071987211 has 8 divisors (see below), whose sum is σ = 2368944864. Its totient is φ = 1775269440.
The previous prime is 2071987171. The next prime is 2071987231. The reversal of 2071987211 is 1127891702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2071987211 - 26 = 2071987147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2071987231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41060 + ... + 76353.
It is an arithmetic number, because the mean of its divisors is an integer number (296118108).
Almost surely, 22071987211 is an apocalyptic number.
2071987211 is a deficient number, since it is larger than the sum of its proper divisors (296957653).
2071987211 is a wasteful number, since it uses less digits than its factorization.
2071987211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119941.
The product of its (nonzero) digits is 14112, while the sum is 38.
The square root of 2071987211 is about 45519.0862276474. The cubic root of 2071987211 is about 1274.8595946375.
The spelling of 2071987211 in words is "two billion, seventy-one million, nine hundred eighty-seven thousand, two hundred eleven".
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