Base | Representation |
---|---|
bin | 101011100111010110101… |
… | …000110010010001000101 |
3 | 101121112021112211010202100 |
4 | 223213112220302101011 |
5 | 343101222431034224 |
6 | 10212520324302313 |
7 | 426353146013346 |
oct | 53472650622105 |
9 | 11545245733670 |
10 | 2997193221189 |
11 | a56114489272 |
12 | 404a61b41999 |
13 | 18983219b33b |
14 | a50ca22a0cd |
15 | 52e6d11aac9 |
hex | 2b9d6a32445 |
2997193221189 has 12 divisors (see below), whose sum is σ = 4331282493772. Its totient is φ = 1997204169600.
The previous prime is 2997193221173. The next prime is 2997193221263. The reversal of 2997193221189 is 9811223917992.
2997193221189 is a `hidden beast` number, since 299 + 7 + 1 + 9 + 322 + 1 + 18 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1988193061089 + 1009000160100 = 1410033^2 + 1004490^2 .
It is not a de Polignac number, because 2997193221189 - 24 = 2997193221173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2997193226189) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77033182 + ... + 77072079.
Almost surely, 22997193221189 is an apocalyptic number.
It is an amenable number.
2997193221189 is a deficient number, since it is larger than the sum of its proper divisors (1334089272583).
2997193221189 is a wasteful number, since it uses less digits than its factorization.
2997193221189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154107428 (or 154107425 counting only the distinct ones).
The product of its digits is 8817984, while the sum is 63.
The spelling of 2997193221189 in words is "two trillion, nine hundred ninety-seven billion, one hundred ninety-three million, two hundred twenty-one thousand, one hundred eighty-nine".
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