Base | Representation |
---|---|
bin | 11011111001000101… |
… | …000010011111001111 |
3 | 2212022011200010102202 |
4 | 123321011002133033 |
5 | 442313323321341 |
6 | 21431435312115 |
7 | 2110104223454 |
oct | 337105023717 |
9 | 85264603382 |
10 | 29948651471 |
11 | 11779262132 |
12 | 59798ab63b |
13 | 2a93856c5b |
14 | 16416bd82b |
15 | ba438479b |
hex | 6f91427cf |
29948651471 has 2 divisors, whose sum is σ = 29948651472. Its totient is φ = 29948651470.
The previous prime is 29948651441. The next prime is 29948651479. The reversal of 29948651471 is 17415684992.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 29948651471 - 218 = 29948389327 is a prime.
It is a super-3 number, since 3×299486514713 (a number of 32 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29948651479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14974325735 + 14974325736.
It is an arithmetic number, because the mean of its divisors is an integer number (14974325736).
Almost surely, 229948651471 is an apocalyptic number.
29948651471 is a deficient number, since it is larger than the sum of its proper divisors (1).
29948651471 is an equidigital number, since it uses as much as digits as its factorization.
29948651471 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4354560, while the sum is 56.
The spelling of 29948651471 in words is "twenty-nine billion, nine hundred forty-eight million, six hundred fifty-one thousand, four hundred seventy-one".
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