Base | Representation |
---|---|
bin | 111111011110101… |
… | …1001001011010001 |
3 | 12111110000101102020 |
4 | 1332331121023101 |
5 | 13330241214441 |
6 | 551205442053 |
7 | 103532616642 |
oct | 17675311321 |
9 | 5443011366 |
10 | 2130023121 |
11 | 9a3384996 |
12 | 4b5410329 |
13 | 27c3a0515 |
14 | 162c636c9 |
15 | c6ee7e66 |
hex | 7ef592d1 |
2130023121 has 8 divisors (see below), whose sum is σ = 2840660064. Its totient is φ = 1419700800.
The previous prime is 2130023099. The next prime is 2130023149. The reversal of 2130023121 is 1213200312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2130023121 - 217 = 2129892049 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2130023121.
It is not an unprimeable number, because it can be changed into a prime (2130023521) 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 7 ways as a sum of consecutive naturals, for example, 62376 + ... + 90281.
It is an arithmetic number, because the mean of its divisors is an integer number (355082508).
Almost surely, 22130023121 is an apocalyptic number.
It is an amenable number.
2130023121 is a deficient number, since it is larger than the sum of its proper divisors (710636943).
2130023121 is a wasteful number, since it uses less digits than its factorization.
2130023121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157311.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2130023121 is about 46152.1735241148. The cubic root of 2130023121 is about 1286.6530066993.
Adding to 2130023121 its reverse (1213200312), we get a palindrome (3343223433).
The spelling of 2130023121 in words is "two billion, one hundred thirty million, twenty-three thousand, one hundred twenty-one".
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