Base | Representation |
---|---|
bin | 1000000000111011… |
… | …1100101010110000 |
3 | 12112221020112221111 |
4 | 2000032330222300 |
5 | 13401224332120 |
6 | 553252003104 |
7 | 104212421335 |
oct | 20016745260 |
9 | 5487215844 |
10 | 2151402160 |
11 | a04457316 |
12 | 500600494 |
13 | 28394753b |
14 | 165a2a98c |
15 | c8d1c75a |
hex | 803bcab0 |
2151402160 has 40 divisors (see below), whose sum is σ = 5076679536. Its totient is φ = 847714560.
The previous prime is 2151402151. The next prime is 2151402161. The reversal of 2151402160 is 612041512.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (2151402161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195331 + ... + 206050.
Almost surely, 22151402160 is an apocalyptic number.
2151402160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2151402160 is an abundant number, since it is smaller than the sum of its proper divisors (2925277376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2151402160 is a wasteful number, since it uses less digits than its factorization.
2151402160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401461 (or 401455 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 2151402160 is about 46383.2098932362. The cubic root of 2151402160 is about 1290.9433958050.
Adding to 2151402160 its reverse (612041512), we get a palindrome (2763443672).
The spelling of 2151402160 in words is "two billion, one hundred fifty-one million, four hundred two thousand, one hundred sixty".
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