Base | Representation |
---|---|
bin | 10100101010111000111… |
… | …100010101010010010010 |
3 | 12000210102001021120121101 |
4 | 110222320330111102102 |
5 | 141233031130000000 |
6 | 3004313030215014 |
7 | 204423610023544 |
oct | 24527074252222 |
9 | 5023361246541 |
10 | 1420442031250 |
11 | 4a845154a9a0 |
12 | 1ab35b1b446a |
13 | a3c40a4b358 |
14 | 4ca6d4b7694 |
15 | 26e37ae2e6a |
hex | 14ab8f15492 |
1420442031250 has 128 divisors (see below), whose sum is σ = 2913123792384. Its totient is φ = 515160000000.
The previous prime is 1420442031191. The next prime is 1420442031259. The reversal of 1420442031250 is 521302440241.
It is not an unprimeable number, because it can be changed into a prime (1420442031259) 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 63 ways as a sum of consecutive naturals, for example, 837030402 + ... + 837032098.
It is an arithmetic number, because the mean of its divisors is an integer number (22758779628).
Almost surely, 21420442031250 is an apocalyptic number.
1420442031250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1420442031250 is an abundant number, since it is smaller than the sum of its proper divisors (1492681761134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420442031250 is an frugal number, since it uses more digits than its factorization.
1420442031250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2232 (or 2202 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 28.
Adding to 1420442031250 its reverse (521302440241), we get a palindrome (1941744471491).
The spelling of 1420442031250 in words is "one trillion, four hundred twenty billion, four hundred forty-two million, thirty-one thousand, two hundred fifty".
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