Base | Representation |
---|---|
bin | 100101010010100001… |
… | …001101000010100100 |
3 | 10211100101201010121011 |
4 | 211102201031002210 |
5 | 1124000010012130 |
6 | 30221013432004 |
7 | 2615131042036 |
oct | 452241150244 |
9 | 124311633534 |
10 | 40039141540 |
11 | 15a87062722 |
12 | 791503b604 |
13 | 3a11208438 |
14 | 1d1b879c56 |
15 | 109516952a |
hex | 95284d0a4 |
40039141540 has 48 divisors (see below), whose sum is σ = 89312881392. Its totient is φ = 15025360896.
The previous prime is 40039141531. The next prime is 40039141547. The reversal of 40039141540 is 4514193004.
It can be written as a sum of positive squares in 8 ways, for example, as 32741284 + 40006400256 = 5722^2 + 200016^2 .
It is not an unprimeable number, because it can be changed into a prime (40039141547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81699 + ... + 294538.
It is an arithmetic number, because the mean of its divisors is an integer number (1860685029).
Almost surely, 240039141540 is an apocalyptic number.
It is an amenable number.
40039141540 is an abundant number, since it is smaller than the sum of its proper divisors (49273739852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40039141540 is a wasteful number, since it uses less digits than its factorization.
40039141540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376576 (or 376574 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The spelling of 40039141540 in words is "forty billion, thirty-nine million, one hundred forty-one thousand, five hundred forty".
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