Base | Representation |
---|---|
bin | 100101010111111110… |
… | …110011100001110101 |
3 | 10211120210011020010221 |
4 | 211113332303201311 |
5 | 1124141440144240 |
6 | 30234050014341 |
7 | 2620323031210 |
oct | 452776634165 |
9 | 124523136127 |
10 | 40130787445 |
11 | 16023868641 |
12 | 793b8773b1 |
13 | 3a271b5598 |
14 | 1d29ad4777 |
15 | 109d21da4a |
hex | 957fb3875 |
40130787445 has 16 divisors (see below), whose sum is σ = 55083166848. Its totient is φ = 27494925120.
The previous prime is 40130787443. The next prime is 40130787533. The reversal of 40130787445 is 54478703104.
It is not a de Polignac number, because 40130787445 - 21 = 40130787443 is a prime.
It is a super-2 number, since 2×401307874452 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40130787443) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444099 + ... + 526768.
It is an arithmetic number, because the mean of its divisors is an integer number (3442697928).
Almost surely, 240130787445 is an apocalyptic number.
It is an amenable number.
40130787445 is a deficient number, since it is larger than the sum of its proper divisors (14952379403).
40130787445 is a wasteful number, since it uses less digits than its factorization.
40130787445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972060.
The product of its (nonzero) digits is 376320, while the sum is 43.
The spelling of 40130787445 in words is "forty billion, one hundred thirty million, seven hundred eighty-seven thousand, four hundred forty-five".
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