Base | Representation |
---|---|
bin | 100111011001100110… |
… | …101110001111111101 |
3 | 11001012100021201000022 |
4 | 213121212232033331 |
5 | 1143120202344240 |
6 | 31233533541525 |
7 | 3025240631300 |
oct | 473146561775 |
9 | 131170251008 |
10 | 42305512445 |
11 | 16a3a3a4729 |
12 | 82480448a5 |
13 | 3cb2907801 |
14 | 2094872b37 |
15 | 11790e69b5 |
hex | 9d99ae3fd |
42305512445 has 12 divisors (see below), whose sum is σ = 59055042204. Its totient is φ = 29009494080.
The previous prime is 42305512429. The next prime is 42305512463. The reversal of 42305512445 is 54421550324.
It can be written as a sum of positive squares in 2 ways, for example, as 19014479449 + 23291032996 = 137893^2 + 152614^2 .
It is not a de Polignac number, because 42305512445 - 24 = 42305512429 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86337536 + ... + 86338025.
It is an arithmetic number, because the mean of its divisors is an integer number (4921253517).
Almost surely, 242305512445 is an apocalyptic number.
It is an amenable number.
42305512445 is a deficient number, since it is larger than the sum of its proper divisors (16749529759).
42305512445 is a wasteful number, since it uses less digits than its factorization.
42305512445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172675580 (or 172675573 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 35.
The spelling of 42305512445 in words is "forty-two billion, three hundred five million, five hundred twelve thousand, four hundred forty-five".
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