Base | Representation |
---|---|
bin | 101010101001110… |
… | …0110000100010111 |
3 | 10200202001111100021 |
4 | 1111103212010113 |
5 | 10412341400043 |
6 | 354003330011 |
7 | 50315666551 |
oct | 12523460427 |
9 | 3622044307 |
10 | 1431200023 |
11 | 674969840 |
12 | 33b380907 |
13 | 19a683a26 |
14 | d81144d1 |
15 | 859a93ed |
hex | 554e6117 |
1431200023 has 24 divisors (see below), whose sum is σ = 1654094736. Its totient is φ = 1227916800.
The previous prime is 1431200009. The next prime is 1431200027. The reversal of 1431200023 is 3200021341.
It is a happy number.
It is not a de Polignac number, because 1431200023 - 213 = 1431191831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431200027) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401253 + ... + 1402273.
It is an arithmetic number, because the mean of its divisors is an integer number (68920614).
Almost surely, 21431200023 is an apocalyptic number.
1431200023 is a deficient number, since it is larger than the sum of its proper divisors (222894713).
1431200023 is a wasteful number, since it uses less digits than its factorization.
1431200023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1423 (or 1404 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1431200023 is about 37831.2043556639. The cubic root of 1431200023 is about 1126.9382286102.
Adding to 1431200023 its reverse (3200021341), we get a palindrome (4631221364).
The spelling of 1431200023 in words is "one billion, four hundred thirty-one million, two hundred thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •