Base | Representation |
---|---|
bin | 101100001100101011… |
… | …011100011010100111 |
3 | 11112111101101102222210 |
4 | 230030223130122213 |
5 | 1234143040333211 |
6 | 33445051454503 |
7 | 3300015602553 |
oct | 541453343247 |
9 | 145441342883 |
10 | 47457355431 |
11 | 19143492602 |
12 | 9245457433 |
13 | 462405c105 |
14 | 2422b7c863 |
15 | 137b5439a6 |
hex | b0cadc6a7 |
47457355431 has 32 divisors (see below), whose sum is σ = 70592739840. Its totient is φ = 28182795264.
The previous prime is 47457355403. The next prime is 47457355471. The reversal of 47457355431 is 13455375474.
It is not a de Polignac number, because 47457355431 - 27 = 47457355303 is a prime.
It is a super-2 number, since 2×474573554312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47457355471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1007011 + ... + 1053083.
It is an arithmetic number, because the mean of its divisors is an integer number (2206023120).
Almost surely, 247457355431 is an apocalyptic number.
47457355431 is a deficient number, since it is larger than the sum of its proper divisors (23135384409).
47457355431 is a wasteful number, since it uses less digits than its factorization.
47457355431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47175.
The product of its digits is 3528000, while the sum is 48.
The spelling of 47457355431 in words is "forty-seven billion, four hundred fifty-seven million, three hundred fifty-five thousand, four hundred thirty-one".
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