Base | Representation |
---|---|
bin | 101010110100000111… |
… | …000110000110101110 |
3 | 11101122211100201001020 |
4 | 222310013012012232 |
5 | 1223122141304404 |
6 | 33041411155010 |
7 | 3215133503055 |
oct | 526407060656 |
9 | 141584321036 |
10 | 45971431854 |
11 | 18550747197 |
12 | 8aab8a5a66 |
13 | 4448257caa |
14 | 23216a139c |
15 | 12e0d79ed9 |
hex | ab41c61ae |
45971431854 has 8 divisors (see below), whose sum is σ = 91942863720. Its totient is φ = 15323810616.
The previous prime is 45971431853. The next prime is 45971431879. The reversal of 45971431854 is 45813417954.
It is a sphenic number, since it is the product of 3 distinct primes.
45971431854 is an admirable number.
It is a super-2 number, since 2×459714318542 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 45971431797 and 45971431806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45971431853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3830952649 + ... + 3830952660.
It is an arithmetic number, because the mean of its divisors is an integer number (11492857965).
Almost surely, 245971431854 is an apocalyptic number.
45971431854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45971431854 is a wasteful number, since it uses less digits than its factorization.
45971431854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7661905314.
The product of its digits is 2419200, while the sum is 51.
The spelling of 45971431854 in words is "forty-five billion, nine hundred seventy-one million, four hundred thirty-one thousand, eight hundred fifty-four".
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