Base | Representation |
---|---|
bin | 100101011000101010… |
… | …100101000010000101 |
3 | 10211121120202012211110 |
4 | 211120222211002011 |
5 | 1124202404344110 |
6 | 30235135555233 |
7 | 2620522413000 |
oct | 453052450205 |
9 | 124546665743 |
10 | 40142262405 |
11 | 1602a295983 |
12 | 794368bb19 |
13 | 3a296a25bb |
14 | 1d2b440537 |
15 | 109e238a20 |
hex | 958aa5085 |
40142262405 has 64 divisors (see below), whose sum is σ = 77484096000. Its totient is φ = 17717898240.
The previous prime is 40142262389. The next prime is 40142262431. The reversal of 40142262405 is 50426224104.
It is not a de Polignac number, because 40142262405 - 24 = 40142262389 is a prime.
It is a super-2 number, since 2×401422624052 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14685 + ... + 283725.
It is an arithmetic number, because the mean of its divisors is an integer number (1210689000).
Almost surely, 240142262405 is an apocalyptic number.
It is an amenable number.
40142262405 is a deficient number, since it is larger than the sum of its proper divisors (37341833595).
40142262405 is a wasteful number, since it uses less digits than its factorization.
40142262405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269099 (or 269085 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 30.
Adding to 40142262405 its reverse (50426224104), we get a palindrome (90568486509).
The spelling of 40142262405 in words is "forty billion, one hundred forty-two million, two hundred sixty-two thousand, four hundred five".
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