Base | Representation |
---|---|
bin | 11101011000000011… |
… | …101110100110110110 |
3 | 10000102020002220102212 |
4 | 131120003232212312 |
5 | 1004044242042124 |
6 | 22253521333422 |
7 | 2164433536535 |
oct | 353003564666 |
9 | 100366086385 |
10 | 31542143414 |
11 | 12416799221 |
12 | 6143497272 |
13 | 2c88a216b2 |
14 | 175319c31c |
15 | c491ea40e |
hex | 7580ee9b6 |
31542143414 has 8 divisors (see below), whose sum is σ = 47330675568. Its totient is φ = 15765251560.
The previous prime is 31542143401. The next prime is 31542143429. The reversal of 31542143414 is 41434124513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×315421434142 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903297 + ... + 2914140.
It is an arithmetic number, because the mean of its divisors is an integer number (5916334446).
Almost surely, 231542143414 is an apocalyptic number.
31542143414 is a deficient number, since it is larger than the sum of its proper divisors (15788532154).
31542143414 is a wasteful number, since it uses less digits than its factorization.
31542143414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5820150.
The product of its digits is 23040, while the sum is 32.
Adding to 31542143414 its reverse (41434124513), we get a palindrome (72976267927).
The spelling of 31542143414 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-three thousand, four hundred fourteen".
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