Base | Representation |
---|---|
bin | 10101000111101111100… |
… | …011111001000110100001 |
3 | 12010202101011201002022222 |
4 | 111013233203321012201 |
5 | 142240003311023210 |
6 | 3030435151040425 |
7 | 206601422102513 |
oct | 25075743710641 |
9 | 5122334632288 |
10 | 1451423142305 |
11 | 50a5aa586204 |
12 | 1b5366810115 |
13 | a6b3a468b26 |
14 | 5036bd53bb3 |
15 | 27b4c91b655 |
hex | 151ef8f91a1 |
1451423142305 has 48 divisors (see below), whose sum is σ = 1796192975280. Its totient is φ = 1125516902400.
The previous prime is 1451423142287. The next prime is 1451423142307. The reversal of 1451423142305 is 5032413241541.
It can be written as a sum of positive squares in 24 ways, for example, as 81626775616 + 1369796366689 = 285704^2 + 1170383^2 .
It is not a de Polignac number, because 1451423142305 - 28 = 1451423142049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1451423142307) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2195798675 + ... + 2195799335.
It is an arithmetic number, because the mean of its divisors is an integer number (37420686985).
Almost surely, 21451423142305 is an apocalyptic number.
It is an amenable number.
1451423142305 is a deficient number, since it is larger than the sum of its proper divisors (344769832975).
1451423142305 is an equidigital number, since it uses as much as digits as its factorization.
1451423142305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1350 (or 1093 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 35.
Adding to 1451423142305 its reverse (5032413241541), we get a palindrome (6483836383846).
The spelling of 1451423142305 in words is "one trillion, four hundred fifty-one billion, four hundred twenty-three million, one hundred forty-two thousand, three hundred five".
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