Base | Representation |
---|---|
bin | 111111100010111… |
… | …0010000000110001 |
3 | 12111121011002201020 |
4 | 1333011302000301 |
5 | 13331322101001 |
6 | 551324530053 |
7 | 103560405450 |
oct | 17705620061 |
9 | 5447132636 |
10 | 2132222001 |
11 | 9a4646a48 |
12 | 4b60b0929 |
13 | 27c990330 |
14 | 163276b97 |
15 | c72ce736 |
hex | 7f172031 |
2132222001 has 32 divisors (see below), whose sum is σ = 3506377728. Its totient is φ = 1122327360.
The previous prime is 2132221981. The next prime is 2132222011. The reversal of 2132222001 is 1002222312.
It is a happy number.
It is not a de Polignac number, because 2132222001 - 29 = 2132221489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2132222011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126090 + ... + 141996.
It is an arithmetic number, because the mean of its divisors is an integer number (109574304).
Almost surely, 22132222001 is an apocalyptic number.
2132222001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2132222001 is a deficient number, since it is larger than the sum of its proper divisors (1374155727).
2132222001 is a wasteful number, since it uses less digits than its factorization.
2132222001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16421.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2132222001 is about 46175.9894425664. The cubic root of 2132222001 is about 1287.0956032361.
Adding to 2132222001 its reverse (1002222312), we get a palindrome (3134444313).
The spelling of 2132222001 in words is "two billion, one hundred thirty-two million, two hundred twenty-two thousand, one".
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