Base | Representation |
---|---|
bin | 11011111010111110… |
… | …110100010111000011 |
3 | 2212101101202000112000 |
4 | 123322332310113003 |
5 | 442400011401141 |
6 | 21434535435043 |
7 | 2110642453461 |
oct | 337276642703 |
9 | 85341660460 |
10 | 29980575171 |
11 | 11795286958 |
12 | 5988525a83 |
13 | 2a9a353711 |
14 | 1645a2d831 |
15 | ba708d5b6 |
hex | 6fafb45c3 |
29980575171 has 16 divisors (see below), whose sum is σ = 46753334400. Its totient is φ = 18935099784.
The previous prime is 29980575161. The next prime is 29980575193. The reversal of 29980575171 is 17157508992.
It is not a de Polignac number, because 29980575171 - 225 = 29947020739 is a prime.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (29980575161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29220321 + ... + 29221346.
It is an arithmetic number, because the mean of its divisors is an integer number (2922083400).
Almost surely, 229980575171 is an apocalyptic number.
29980575171 is a deficient number, since it is larger than the sum of its proper divisors (16772759229).
29980575171 is a wasteful number, since it uses less digits than its factorization.
29980575171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58441695 (or 58441689 counting only the distinct ones).
The product of its (nonzero) digits is 1587600, while the sum is 54.
The spelling of 29980575171 in words is "twenty-nine billion, nine hundred eighty million, five hundred seventy-five thousand, one hundred seventy-one".
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