Base | Representation |
---|---|
bin | 111111011110110… |
… | …1110101101000100 |
3 | 12111110011212101010 |
4 | 1332331232231010 |
5 | 13330302030200 |
6 | 551211402220 |
7 | 103533435012 |
oct | 17675565504 |
9 | 5443155333 |
10 | 2130111300 |
11 | 9a3435169 |
12 | 4b5453370 |
13 | 27c4016b5 |
14 | 162c878b2 |
15 | c7014150 |
hex | 7ef6eb44 |
2130111300 has 36 divisors (see below), whose sum is σ = 6163122896. Its totient is φ = 568029600.
The previous prime is 2130111293. The next prime is 2130111307. The reversal of 2130111300 is 31110312.
It is an interprime number because it is at equal distance from previous prime (2130111293) and next prime (2130111307).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (2130111307) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3549886 + ... + 3550485.
Almost surely, 22130111300 is an apocalyptic number.
2130111300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2130111300 is an abundant number, since it is smaller than the sum of its proper divisors (4033011596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130111300 is a wasteful number, since it uses less digits than its factorization.
2130111300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7100388 (or 7100381 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 2130111300 is about 46153.1288213486. The cubic root of 2130111300 is about 1286.6707614690.
Adding to 2130111300 its reverse (31110312), we get a palindrome (2161221612).
The spelling of 2130111300 in words is "two billion, one hundred thirty million, one hundred eleven thousand, three hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.108 sec. • engine limits •