Base | Representation |
---|---|
bin | 10100101010100001110… |
… | …100100100101111010111 |
3 | 12000202102000100201101001 |
4 | 110222201310210233113 |
5 | 141231232323341211 |
6 | 3004210332044131 |
7 | 204411156605251 |
oct | 24524164445727 |
9 | 5022360321331 |
10 | 1420054121431 |
11 | 4a8272592570 |
12 | 1ab271303647 |
13 | a3bab580b0a |
14 | 4ca33b7ccd1 |
15 | 26e13a1bac1 |
hex | 14aa1d24bd7 |
1420054121431 has 8 divisors (see below), whose sum is σ = 1552123373328. Its totient is φ = 1288480440000.
The previous prime is 1420054121401. The next prime is 1420054121459. The reversal of 1420054121431 is 1341214500241.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1420054121431 - 231 = 1417906637783 is a prime.
It is a super-2 number, since 2×14200541214312 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1420054121431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420054121401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123886620 + ... + 123898081.
It is an arithmetic number, because the mean of its divisors is an integer number (194015421666).
Almost surely, 21420054121431 is an apocalyptic number.
1420054121431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1420054121431 is a deficient number, since it is larger than the sum of its proper divisors (132069251897).
1420054121431 is a wasteful number, since it uses less digits than its factorization.
1420054121431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247785233.
The product of its (nonzero) digits is 3840, while the sum is 28.
Adding to 1420054121431 its reverse (1341214500241), we get a palindrome (2761268621672).
The spelling of 1420054121431 in words is "one trillion, four hundred twenty billion, fifty-four million, one hundred twenty-one thousand, four hundred thirty-one".
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