Base | Representation |
---|---|
bin | 100101010010000010… |
… | …101100001000011000 |
3 | 10211022211122201212121 |
4 | 211102002230020120 |
5 | 1123440433024144 |
6 | 30220130151024 |
7 | 2615003045020 |
oct | 452202541030 |
9 | 124284581777 |
10 | 40031142424 |
11 | 15a82599889 |
12 | 7912422474 |
13 | 3a0c667530 |
14 | 1d1a796a80 |
15 | 10945d9384 |
hex | 9520ac218 |
40031142424 has 64 divisors (see below), whose sum is σ = 92406081600. Its totient is φ = 15831949824.
The previous prime is 40031142391. The next prime is 40031142461. The reversal of 40031142424 is 42424113004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3772294 + ... + 3782890.
It is an arithmetic number, because the mean of its divisors is an integer number (1443845025).
Almost surely, 240031142424 is an apocalyptic number.
It is an amenable number.
40031142424 is an abundant number, since it is smaller than the sum of its proper divisors (52374939176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40031142424 is a wasteful number, since it uses less digits than its factorization.
40031142424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15812 (or 15808 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 40031142424 its reverse (42424113004), we get a palindrome (82455255428).
The spelling of 40031142424 in words is "forty billion, thirty-one million, one hundred forty-two thousand, four hundred twenty-four".
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