Base | Representation |
---|---|
bin | 11011011010010001… |
… | …001101001110001111 |
3 | 2210222011000200110011 |
4 | 123122101031032033 |
5 | 440234011404341 |
6 | 21304252254051 |
7 | 2061226503640 |
oct | 333221151617 |
9 | 83864020404 |
10 | 29431747471 |
11 | 115334aa545 |
12 | 5854771327 |
13 | 2a107339b9 |
14 | 15d2ba76c7 |
15 | b73cccb81 |
hex | 6da44d38f |
29431747471 has 32 divisors (see below), whose sum is σ = 36915996672. Its totient is φ = 22890954240.
The previous prime is 29431747357. The next prime is 29431747483. The reversal of 29431747471 is 17474713492.
It is a happy number.
It is not a de Polignac number, because 29431747471 - 29 = 29431746959 is a prime.
It is a super-3 number, since 3×294317474713 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29431787471) 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, 335461 + ... + 414001.
It is an arithmetic number, because the mean of its divisors is an integer number (1153624896).
Almost surely, 229431747471 is an apocalyptic number.
29431747471 is a deficient number, since it is larger than the sum of its proper divisors (7484249201).
29431747471 is a wasteful number, since it uses less digits than its factorization.
29431747471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78679.
The product of its digits is 1185408, while the sum is 49.
The spelling of 29431747471 in words is "twenty-nine billion, four hundred thirty-one million, seven hundred forty-seven thousand, four hundred seventy-one".
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