Base | Representation |
---|---|
bin | 100101010000011110… |
… | …111110111011111001 |
3 | 10211021000110211010200 |
4 | 211100132332323321 |
5 | 1123412240130144 |
6 | 30213354032413 |
7 | 2614234634532 |
oct | 452036767371 |
9 | 124230424120 |
10 | 40005005049 |
11 | 15a69867449 |
12 | 7905718709 |
13 | 3a07115729 |
14 | 1d17111689 |
15 | 1092174c69 |
hex | 9507beef9 |
40005005049 has 12 divisors (see below), whose sum is σ = 57883456176. Its totient is φ = 26624565432.
The previous prime is 40005005017. The next prime is 40005005107. The reversal of 40005005049 is 94050050004.
It is not a de Polignac number, because 40005005049 - 25 = 40005005017 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (40005005549) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3780919 + ... + 3791484.
It is an arithmetic number, because the mean of its divisors is an integer number (4823621348).
Almost surely, 240005005049 is an apocalyptic number.
It is an amenable number.
40005005049 is a deficient number, since it is larger than the sum of its proper divisors (17878451127).
40005005049 is a wasteful number, since it uses less digits than its factorization.
40005005049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7572996 (or 7572993 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 40005005049 in words is "forty billion, five million, five thousand, forty-nine".
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