Base | Representation |
---|---|
bin | 111111101111111… |
… | …1111111110110010 |
3 | 12112002002021122100 |
4 | 1333133333332302 |
5 | 13340102014322 |
6 | 552132121230 |
7 | 104003002314 |
oct | 17737777662 |
9 | 5462067570 |
10 | 2139094962 |
11 | 9a8510784 |
12 | 4b8466216 |
13 | 281228784 |
14 | 1641457b4 |
15 | c7bdadac |
hex | 7f7fffb2 |
2139094962 has 24 divisors (see below), whose sum is σ = 4639730940. Its totient is φ = 712258560.
The previous prime is 2139094961. The next prime is 2139094963. The reversal of 2139094962 is 2694909312.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2139094961) and next prime (2139094963).
It can be written as a sum of positive squares in 2 ways, for example, as 2012329881 + 126765081 = 44859^2 + 11259^2 .
It is not an unprimeable number, because it can be changed into a prime (2139094961) 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, 47239 + ... + 80682.
Almost surely, 22139094962 is an apocalyptic number.
2139094962 is an abundant number, since it is smaller than the sum of its proper divisors (2500635978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2139094962 is a wasteful number, since it uses less digits than its factorization.
2139094962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128858 (or 128855 counting only the distinct ones).
The product of its (nonzero) digits is 209952, while the sum is 45.
The square root of 2139094962 is about 46250.3509392091. The cubic root of 2139094962 is about 1288.4770525759.
The spelling of 2139094962 in words is "two billion, one hundred thirty-nine million, ninety-four thousand, nine hundred sixty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •