Base | Representation |
---|---|
bin | 111111110100000… |
… | …1011110111010011 |
3 | 12112020010022011100 |
4 | 1333220023313103 |
5 | 13341124201122 |
6 | 552250115443 |
7 | 104030150340 |
oct | 17750136723 |
9 | 5466108140 |
10 | 2141240787 |
11 | 9a9746994 |
12 | 4b911bb83 |
13 | 2817ca3aa |
14 | 1645437c7 |
15 | c7eb1aac |
hex | 7fa0bdd3 |
2141240787 has 12 divisors (see below), whose sum is σ = 3534746800. Its totient is φ = 1223566128.
The previous prime is 2141240753. The next prime is 2141240789. The reversal of 2141240787 is 7870421412.
It is not a de Polignac number, because 2141240787 - 27 = 2141240659 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2141240789) 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, 16993912 + ... + 16994037.
Almost surely, 22141240787 is an apocalyptic number.
2141240787 is a deficient number, since it is larger than the sum of its proper divisors (1393506013).
2141240787 is a wasteful number, since it uses less digits than its factorization.
2141240787 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33987962 (or 33987959 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 2141240787 is about 46273.5430564810. The cubic root of 2141240787 is about 1288.9077522130.
The spelling of 2141240787 in words is "two billion, one hundred forty-one million, two hundred forty thousand, seven hundred eighty-seven".
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