Base | Representation |
---|---|
bin | 100111010011101110… |
… | …111011010111101000 |
3 | 11000221110220202101201 |
4 | 213103232323113220 |
5 | 1142414443000130 |
6 | 31220054253544 |
7 | 3022633403152 |
oct | 472356732750 |
9 | 130843822351 |
10 | 42207000040 |
11 | 16999829917 |
12 | 821b0572b4 |
13 | 3c9839514a |
14 | 208574bad2 |
15 | 1170637bca |
hex | 9d3bbb5e8 |
42207000040 has 32 divisors (see below), whose sum is σ = 95690691360. Its totient is φ = 16753921600.
The previous prime is 42207000037. The next prime is 42207000079. The reversal of 42207000040 is 4000070224.
It is a junction number, because it is equal to n+sod(n) for n = 42206999981 and 42207000017.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022146 + ... + 4032625.
It is an arithmetic number, because the mean of its divisors is an integer number (2990334105).
Almost surely, 242207000040 is an apocalyptic number.
42207000040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42207000040 is an abundant number, since it is smaller than the sum of its proper divisors (53483691320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42207000040 is a wasteful number, since it uses less digits than its factorization.
42207000040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8054913 (or 8054909 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 19.
Adding to 42207000040 its reverse (4000070224), we get a palindrome (46207070264).
The spelling of 42207000040 in words is "forty-two billion, two hundred seven million, forty", and thus it is an aban number.
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