Base | Representation |
---|---|
bin | 101001101110100… |
… | …0010101011110101 |
3 | 10121120120120110010 |
4 | 1103131002223311 |
5 | 10331412401401 |
6 | 350533250433 |
7 | 46460561430 |
oct | 12335025365 |
9 | 3546516403 |
10 | 1400122101 |
11 | 659372504 |
12 | 330a93a19 |
13 | 1940c2221 |
14 | d3d44817 |
15 | 82dbaed6 |
hex | 53742af5 |
1400122101 has 16 divisors (see below), whose sum is σ = 2157494400. Its totient is φ = 791079168.
The previous prime is 1400122049. The next prime is 1400122123. The reversal of 1400122101 is 1012210041.
It is a happy number.
It is not a de Polignac number, because 1400122101 - 27 = 1400121973 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1400122301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372696 + ... + 376433.
It is an arithmetic number, because the mean of its divisors is an integer number (134843400).
Almost surely, 21400122101 is an apocalyptic number.
It is an amenable number.
1400122101 is a deficient number, since it is larger than the sum of its proper divisors (757372299).
1400122101 is an equidigital number, since it uses as much as digits as its factorization.
1400122101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 749228.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 1400122101 is about 37418.2054754100. The cubic root of 1400122101 is about 1118.7214632880.
Adding to 1400122101 its reverse (1012210041), we get a palindrome (2412332142).
The spelling of 1400122101 in words is "one billion, four hundred million, one hundred twenty-two thousand, one hundred one".
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