Base | Representation |
---|---|
bin | 101010101001100… |
… | …0010001111111001 |
3 | 10200201210001002021 |
4 | 1111103002033321 |
5 | 10412322201210 |
6 | 354000234441 |
7 | 50314516033 |
oct | 12523021771 |
9 | 3621701067 |
10 | 1431053305 |
11 | 674879590 |
12 | 33b30ba21 |
13 | 19a632006 |
14 | d80b6c53 |
15 | 8597abda |
hex | 554c23f9 |
1431053305 has 16 divisors (see below), whose sum is σ = 1971979200. Its totient is φ = 985988160.
The previous prime is 1431053293. The next prime is 1431053311. The reversal of 1431053305 is 5033501341.
It is not a de Polignac number, because 1431053305 - 219 = 1430529017 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1431053305.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683670 + ... + 685759.
It is an arithmetic number, because the mean of its divisors is an integer number (123248700).
Almost surely, 21431053305 is an apocalyptic number.
It is an amenable number.
1431053305 is a deficient number, since it is larger than the sum of its proper divisors (540925895).
1431053305 is a wasteful number, since it uses less digits than its factorization.
1431053305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1369464.
The product of its (nonzero) digits is 2700, while the sum is 25.
The square root of 1431053305 is about 37829.2651924406. The cubic root of 1431053305 is about 1126.8997183226.
Adding to 1431053305 its reverse (5033501341), we get a palindrome (6464554646).
The spelling of 1431053305 in words is "one billion, four hundred thirty-one million, fifty-three thousand, three hundred five".
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