Base | Representation |
---|---|
bin | 10100110100110000001… |
… | …011011101110001001110 |
3 | 12001210202002222010211121 |
4 | 110310300023131301032 |
5 | 141421223244441304 |
6 | 3013223543111154 |
7 | 205250213611666 |
oct | 24646013356116 |
9 | 5053662863747 |
10 | 1431032421454 |
11 | 501996549899 |
12 | 1b1415a424ba |
13 | a4c3ab4b32c |
14 | 4d395c011a6 |
15 | 27357721554 |
hex | 14d302ddc4e |
1431032421454 has 16 divisors (see below), whose sum is σ = 2262016137600. Its totient is φ = 677110084344.
The previous prime is 1431032421451. The next prime is 1431032421491. The reversal of 1431032421454 is 4541242301341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431032421451) 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, 20725594 + ... + 20794525.
It is an arithmetic number, because the mean of its divisors is an integer number (141376008600).
Almost surely, 21431032421454 is an apocalyptic number.
1431032421454 is a deficient number, since it is larger than the sum of its proper divisors (830983716146).
1431032421454 is a wasteful number, since it uses less digits than its factorization.
1431032421454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41521047.
The product of its (nonzero) digits is 46080, while the sum is 34.
Adding to 1431032421454 its reverse (4541242301341), we get a palindrome (5972274722795).
The spelling of 1431032421454 in words is "one trillion, four hundred thirty-one billion, thirty-two million, four hundred twenty-one thousand, four hundred fifty-four".
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