Base | Representation |
---|---|
bin | 1100011110000101101… |
… | …0001101100000000000 |
3 | 202110222102012211110020 |
4 | 3013201122031200000 |
5 | 12002223144022034 |
6 | 242230202333440 |
7 | 21322642443102 |
oct | 3074132154000 |
9 | 673872184406 |
10 | 214235142144 |
11 | 82947175191 |
12 | 3562aaba280 |
13 | 1728256a9ca |
14 | a5248c7572 |
15 | 588d054249 |
hex | 31e168d800 |
214235142144 has 96 divisors (see below), whose sum is σ = 584437613760. Its totient is φ = 69750890496.
The previous prime is 214235142137. The next prime is 214235142157. The reversal of 214235142144 is 441241532412.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×2142351421442 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141262 + ... + 669645.
It is an arithmetic number, because the mean of its divisors is an integer number (6087891810).
Almost surely, 2214235142144 is an apocalyptic number.
214235142144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
214235142144 is an abundant number, since it is smaller than the sum of its proper divisors (370202471616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214235142144 is an equidigital number, since it uses as much as digits as its factorization.
214235142144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810975 (or 810955 counting only the distinct ones).
The product of its digits is 30720, while the sum is 33.
Adding to 214235142144 its reverse (441241532412), we get a palindrome (655476674556).
The spelling of 214235142144 in words is "two hundred fourteen billion, two hundred thirty-five million, one hundred forty-two thousand, one hundred forty-four".
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