Base | Representation |
---|---|
bin | 100111100011101101… |
… | …010000100001011110 |
3 | 11001122011012110021200 |
4 | 213203231100201132 |
5 | 1143442044412404 |
6 | 31302430340330 |
7 | 3032366344662 |
oct | 474355204136 |
9 | 131564173250 |
10 | 42474997854 |
11 | 17017035613 |
12 | 829495a6a6 |
13 | 400ba69833 |
14 | 20ad1908a2 |
15 | 1188e24839 |
hex | 9e3b5085e |
42474997854 has 24 divisors (see below), whose sum is σ = 92753806080. Its totient is φ = 14046848928.
The previous prime is 42474997853. The next prime is 42474997861. The reversal of 42474997854 is 45879947424.
42474997854 is a `hidden beast` number, since 4 + 2 + 474 + 99 + 78 + 5 + 4 = 666.
42474997854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 42474997791 and 42474997800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42474997853) 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, 9287959 + ... + 9292530.
It is an arithmetic number, because the mean of its divisors is an integer number (3864741920).
Almost surely, 242474997854 is an apocalyptic number.
42474997854 is an abundant number, since it is smaller than the sum of its proper divisors (50278808226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42474997854 is a wasteful number, since it uses less digits than its factorization.
42474997854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18580624 (or 18580621 counting only the distinct ones).
The product of its digits is 81285120, while the sum is 63.
The spelling of 42474997854 in words is "forty-two billion, four hundred seventy-four million, nine hundred ninety-seven thousand, eight hundred fifty-four".
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