Base | Representation |
---|---|
bin | 100111111101011010… |
… | …100100100111101110 |
3 | 11002202012210020021111 |
4 | 213331122210213232 |
5 | 1200333003311204 |
6 | 31413315022234 |
7 | 3046154410132 |
oct | 477532444756 |
9 | 132665706244 |
10 | 42906307054 |
11 | 172185455a6 |
12 | 839529a97a |
13 | 407a220c90 |
14 | 21105853c2 |
15 | 11b1c1ed04 |
hex | 9fd6a49ee |
42906307054 has 16 divisors (see below), whose sum is σ = 71000682480. Its totient is φ = 19319912640.
The previous prime is 42906307033. The next prime is 42906307057. The reversal of 42906307054 is 45070360924.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 42906306998 and 42906307016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42906307057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20123844 + ... + 20125975.
It is an arithmetic number, because the mean of its divisors is an integer number (4437542655).
Almost surely, 242906307054 is an apocalyptic number.
42906307054 is a deficient number, since it is larger than the sum of its proper divisors (28094375426).
42906307054 is a wasteful number, since it uses less digits than its factorization.
42906307054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40249875.
The product of its (nonzero) digits is 181440, while the sum is 40.
Adding to 42906307054 its reverse (45070360924), we get a palindrome (87976667978).
The spelling of 42906307054 in words is "forty-two billion, nine hundred six million, three hundred seven thousand, fifty-four".
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