Base | Representation |
---|---|
bin | 11101010001011111… |
… | …100111101001101011 |
3 | 10000010112212202220002 |
4 | 131101133213221223 |
5 | 1003333043430233 |
6 | 22234545053215 |
7 | 2161625500034 |
oct | 352137475153 |
9 | 100115782802 |
10 | 31432014443 |
11 | 1236a609745 |
12 | 611262720b |
13 | 2c6bc7271b |
14 | 17426d1a8b |
15 | c3e6e46e8 |
hex | 7517e7a6b |
31432014443 has 4 divisors (see below), whose sum is σ = 32515877040. Its totient is φ = 30348151848.
The previous prime is 31432014409. The next prime is 31432014503. The reversal of 31432014443 is 34441023413.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 31432014443 - 218 = 31431752299 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1083862567 = 31432014443 / (3 + 1 + 4 + 3 + 2 + 0 + 1 + 4 + 4 + 4 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31432014343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541931255 + ... + 541931312.
It is an arithmetic number, because the mean of its divisors is an integer number (8128969260).
Almost surely, 231432014443 is an apocalyptic number.
31432014443 is a deficient number, since it is larger than the sum of its proper divisors (1083862597).
31432014443 is a wasteful number, since it uses less digits than its factorization.
31432014443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1083862596.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 31432014443 its reverse (34441023413), we get a palindrome (65873037856).
The spelling of 31432014443 in words is "thirty-one billion, four hundred thirty-two million, fourteen thousand, four hundred forty-three".
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