Base | Representation |
---|---|
bin | 101111001000010100… |
… | …1011010001101111001 |
3 | 100200020120101122101211 |
4 | 1132100221122031321 |
5 | 3124240010202301 |
6 | 114255023243121 |
7 | 10212050331322 |
oct | 1362051321571 |
9 | 320216348354 |
10 | 101211022201 |
11 | 39a17a8aaa3 |
12 | 177474494a1 |
13 | 970c692b23 |
14 | 4c81c1d449 |
15 | 2975701051 |
hex | 1790a5a379 |
101211022201 has 4 divisors (see below), whose sum is σ = 101690695504. Its totient is φ = 100731348900.
The previous prime is 101211022193. The next prime is 101211022217. The reversal of 101211022201 is 102220112101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102220112101 = 31 ⋅3297422971.
It is a cyclic number.
It is not a de Polignac number, because 101211022201 - 23 = 101211022193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101211020201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239836335 + ... + 239836756.
It is an arithmetic number, because the mean of its divisors is an integer number (25422673876).
Almost surely, 2101211022201 is an apocalyptic number.
It is an amenable number.
101211022201 is a deficient number, since it is larger than the sum of its proper divisors (479673303).
101211022201 is an equidigital number, since it uses as much as digits as its factorization.
101211022201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479673302.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 101211022201 its reverse (102220112101), we get a palindrome (203431134302).
The spelling of 101211022201 in words is "one hundred one billion, two hundred eleven million, twenty-two thousand, two hundred one".
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