Base | Representation |
---|---|
bin | 100101011000000000… |
… | …011000010111111100 |
3 | 10211120210221012202120 |
4 | 211120000120113330 |
5 | 1124142041404013 |
6 | 30234102522540 |
7 | 2620326401400 |
oct | 453000302774 |
9 | 124523835676 |
10 | 40131200508 |
11 | 1602401aa13 |
12 | 793ba36450 |
13 | 3a272cb5b9 |
14 | 1d29ba1100 |
15 | 109d2a1123 |
hex | 9580185fc |
40131200508 has 72 divisors (see below), whose sum is σ = 109342138752. Its totient is φ = 11422416096.
The previous prime is 40131200503. The next prime is 40131200521. The reversal of 40131200508 is 80500213104.
It is a super-2 number, since 2×401312005082 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40131200503) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24891 + ... + 284397.
It is an arithmetic number, because the mean of its divisors is an integer number (1518640816).
Almost surely, 240131200508 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40131200508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54671069376).
40131200508 is an abundant number, since it is smaller than the sum of its proper divisors (69210938244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40131200508 is a wasteful number, since it uses less digits than its factorization.
40131200508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 259791 (or 259782 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The spelling of 40131200508 in words is "forty billion, one hundred thirty-one million, two hundred thousand, five hundred eight".
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