Base | Representation |
---|---|
bin | 111111011110110… |
… | …1110101101011000 |
3 | 12111110011212101212 |
4 | 1332331232231120 |
5 | 13330302030240 |
6 | 551211402252 |
7 | 103533435041 |
oct | 17675565530 |
9 | 5443155355 |
10 | 2130111320 |
11 | 9a3435187 |
12 | 4b5453388 |
13 | 27c4016cc |
14 | 162c878c8 |
15 | c7014165 |
hex | 7ef6eb58 |
2130111320 has 32 divisors (see below), whose sum is σ = 4795772400. Its totient is φ = 851507328.
The previous prime is 2130111307. The next prime is 2130111329. The reversal of 2130111320 is 231110312.
It is a junction number, because it is equal to n+sod(n) for n = 2130111295 and 2130111304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130111329) 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, 50807 + ... + 82713.
Almost surely, 22130111320 is an apocalyptic number.
2130111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2130111320 is an abundant number, since it is smaller than the sum of its proper divisors (2665661080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130111320 is a wasteful number, since it uses less digits than its factorization.
2130111320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33587 (or 33583 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2130111320 is about 46153.1290380186. The cubic root of 2130111320 is about 1286.6707654959.
Adding to 2130111320 its reverse (231110312), we get a palindrome (2361221632).
The spelling of 2130111320 in words is "two billion, one hundred thirty million, one hundred eleven thousand, three hundred twenty".
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