Base | Representation |
---|---|
bin | 1000001111111001… |
… | …0010100110101111 |
3 | 12201022022012011022 |
4 | 2003332102212233 |
5 | 14013310110211 |
6 | 1003412444355 |
7 | 105603626402 |
oct | 20376224657 |
9 | 5638265138 |
10 | 2214144431 |
11 | a36910534 |
12 | 5196196bb |
13 | 293944745 |
14 | 1700bdd39 |
15 | ce5b2bdb |
hex | 83f929af |
2214144431 has 6 divisors (see below), whose sum is σ = 2218355496. Its totient is φ = 2209941300.
The previous prime is 2214144409. The next prime is 2214144469. The reversal of 2214144431 is 1344414122.
It is not a de Polignac number, because 2214144431 - 26 = 2214144367 is a prime.
It is a super-2 number, since 2×22141444312 = 9804871122656627522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2214144431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2214143431) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322646 + ... + 329436.
It is an arithmetic number, because the mean of its divisors is an integer number (369725916).
Almost surely, 22214144431 is an apocalyptic number.
2214144431 is a deficient number, since it is larger than the sum of its proper divisors (4211065).
2214144431 is an frugal number, since it uses more digits than its factorization.
2214144431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7933 (or 7362 counting only the distinct ones).
The product of its digits is 3072, while the sum is 26.
The square root of 2214144431 is about 47054.6961630824. The cubic root of 2214144431 is about 1303.3727864786.
Adding to 2214144431 its reverse (1344414122), we get a palindrome (3558558553).
The spelling of 2214144431 in words is "two billion, two hundred fourteen million, one hundred forty-four thousand, four hundred thirty-one".
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