Base | Representation |
---|---|
bin | 111111011111011… |
… | …1110011110011110 |
3 | 12111110210110120211 |
4 | 1332332332132132 |
5 | 13330343004141 |
6 | 551222403034 |
7 | 103536265432 |
oct | 17676763636 |
9 | 5443713524 |
10 | 2130438046 |
11 | 9a3638700 |
12 | 4b559047a |
13 | 27c4b7339 |
14 | 162d309c2 |
15 | c707ad81 |
hex | 7efbe79e |
2130438046 has 36 divisors (see below), whose sum is σ = 3551815008. Its totient is φ = 957682000.
The previous prime is 2130438041. The next prime is 2130438047. The reversal of 2130438046 is 6408340312.
It is a junction number, because it is equal to n+sod(n) for n = 2130437999 and 2130438017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130438041) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2468211 + ... + 2469073.
It is an arithmetic number, because the mean of its divisors is an integer number (98661528).
Almost surely, 22130438046 is an apocalyptic number.
2130438046 is a deficient number, since it is larger than the sum of its proper divisors (1421376962).
2130438046 is a wasteful number, since it uses less digits than its factorization.
2130438046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1089 (or 977 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 2130438046 is about 46156.6684889627. The cubic root of 2130438046 is about 1286.7365472381.
Adding to 2130438046 its reverse (6408340312), we get a palindrome (8538778358).
The spelling of 2130438046 in words is "two billion, one hundred thirty million, four hundred thirty-eight thousand, forty-six".
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