Base | Representation |
---|---|
bin | 111111001101100… |
… | …1100011001011011 |
3 | 12110211010220102101 |
4 | 1332123030121123 |
5 | 13320442323013 |
6 | 550245344231 |
7 | 103363460140 |
oct | 17633143133 |
9 | 5424126371 |
10 | 2121057883 |
11 | 9993111aa |
12 | 4b2408077 |
13 | 27a581949 |
14 | 1619ac3c7 |
15 | c63268dd |
hex | 7e6cc65b |
2121057883 has 16 divisors (see below), whose sum is σ = 2512800000. Its totient is φ = 1751756832.
The previous prime is 2121057881. The next prime is 2121057929. The reversal of 2121057883 is 3887501212.
It is not a de Polignac number, because 2121057883 - 21 = 2121057881 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2121057881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90828 + ... + 111766.
It is an arithmetic number, because the mean of its divisors is an integer number (157050000).
Almost surely, 22121057883 is an apocalyptic number.
2121057883 is a deficient number, since it is larger than the sum of its proper divisors (391742117).
2121057883 is a wasteful number, since it uses less digits than its factorization.
2121057883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21474.
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 2121057883 is about 46054.9441754086. The cubic root of 2121057883 is about 1284.8452998522.
The spelling of 2121057883 in words is "two billion, one hundred twenty-one million, fifty-seven thousand, eight hundred eighty-three".
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