Base | Representation |
---|---|
bin | 11101010001011001… |
… | …101111011011110111 |
3 | 10000010102222111001202 |
4 | 131101121233123313 |
5 | 1003332200122323 |
6 | 22234452043115 |
7 | 2161606421264 |
oct | 352131573367 |
9 | 100112874052 |
10 | 31430473463 |
11 | 12369756a04 |
12 | 611200349b |
13 | 2c6b8531bc |
14 | 174241026b |
15 | c3e4dcd28 |
hex | 75166f6f7 |
31430473463 has 8 divisors (see below), whose sum is σ = 31864153728. Its totient is φ = 30996877824.
The previous prime is 31430473367. The next prime is 31430473469. The reversal of 31430473463 is 36437403413.
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 31430473463 - 216 = 31430407927 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 (31430473469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241831 + ... + 1266887.
It is an arithmetic number, because the mean of its divisors is an integer number (3983019216).
Almost surely, 231430473463 is an apocalyptic number.
31430473463 is a deficient number, since it is larger than the sum of its proper divisors (433680265).
31430473463 is a wasteful number, since it uses less digits than its factorization.
31430473463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42313.
The product of its (nonzero) digits is 217728, while the sum is 38.
Adding to 31430473463 its reverse (36437403413), we get a palindrome (67867876876).
The spelling of 31430473463 in words is "thirty-one billion, four hundred thirty million, four hundred seventy-three thousand, four hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •