Base | Representation |
---|---|
bin | 11011000011010001… |
… | …001000001011001111 |
3 | 2202222020220002210000 |
4 | 123003101020023033 |
5 | 433441214211311 |
6 | 21202105215343 |
7 | 2045532441564 |
oct | 330321101317 |
9 | 82866802700 |
10 | 29045850831 |
11 | 113556976a8 |
12 | 5767491553 |
13 | 297b7bc8aa |
14 | 159783486b |
15 | b4eea3056 |
hex | 6c34482cf |
29045850831 has 20 divisors (see below), whose sum is σ = 43461990000. Its totient is φ = 19331541216.
The previous prime is 29045850811. The next prime is 29045850851. The reversal of 29045850831 is 13805854092.
29045850831 is a `hidden beast` number, since 2 + 90 + 4 + 58 + 508 + 3 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (29045850811) and next prime (29045850851).
It is not a de Polignac number, because 29045850831 - 231 = 26898367183 is a prime.
It is a super-2 number, since 2×290458508312 (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 (29045850811) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 250806 + ... + 347843.
It is an arithmetic number, because the mean of its divisors is an integer number (2173099500).
Almost surely, 229045850831 is an apocalyptic number.
29045850831 is a deficient number, since it is larger than the sum of its proper divisors (14416139169).
29045850831 is an equidigital number, since it uses as much as digits as its factorization.
29045850831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 599260 (or 599251 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 45.
The spelling of 29045850831 in words is "twenty-nine billion, forty-five million, eight hundred fifty thousand, eight hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •