Base | Representation |
---|---|
bin | 111111000111111… |
… | …1100000000000110 |
3 | 12110121120222202200 |
4 | 1332033330000012 |
5 | 13314213412032 |
6 | 550102215330 |
7 | 103326420324 |
oct | 17617740006 |
9 | 5417528680 |
10 | 2118107142 |
11 | 997686278 |
12 | 4b1424546 |
13 | 279a8a848 |
14 | 161440d14 |
15 | c5e4247c |
hex | 7e3fc006 |
2118107142 has 36 divisors (see below), whose sum is σ = 4607686356. Its totient is φ = 703207440.
The previous prime is 2118107119. The next prime is 2118107153. The reversal of 2118107142 is 2417018112.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1808217 + ... + 1809387.
Almost surely, 22118107142 is an apocalyptic number.
2118107142 is an abundant number, since it is smaller than the sum of its proper divisors (2489579214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2118107142 is a wasteful number, since it uses less digits than its factorization.
2118107142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1813 (or 1493 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 27.
The square root of 2118107142 is about 46022.8980182691. The cubic root of 2118107142 is about 1284.2492128433.
The spelling of 2118107142 in words is "two billion, one hundred eighteen million, one hundred seven thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •