Base | Representation |
---|---|
bin | 100101010111011000… |
… | …110000100100100010 |
3 | 10211120002101111221211 |
4 | 211113120300210202 |
5 | 1124131412020413 |
6 | 30233052140334 |
7 | 2620142201536 |
oct | 452730604442 |
9 | 124502344854 |
10 | 40120813858 |
11 | 16019176304 |
12 | 79384676aa |
13 | 3a25102a58 |
14 | 1d28659bc6 |
15 | 109c3ed83d |
hex | 957630922 |
40120813858 has 32 divisors (see below), whose sum is σ = 67278047040. Its totient is φ = 17832545280.
The previous prime is 40120813823. The next prime is 40120813861. The reversal of 40120813858 is 85831802104.
It is a self number, because there is not a number n which added to its sum of digits gives 40120813858.
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, 120010 + ... + 307642.
It is an arithmetic number, because the mean of its divisors is an integer number (2102438970).
Almost surely, 240120813858 is an apocalyptic number.
40120813858 is a deficient number, since it is larger than the sum of its proper divisors (27157233182).
40120813858 is a wasteful number, since it uses less digits than its factorization.
40120813858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188002.
The product of its (nonzero) digits is 61440, while the sum is 40.
The spelling of 40120813858 in words is "forty billion, one hundred twenty million, eight hundred thirteen thousand, eight hundred fifty-eight".
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