Base | Representation |
---|---|
bin | 11101010001101000… |
… | …101110110011010110 |
3 | 10000010201101010102021 |
4 | 131101220232303112 |
5 | 1003334201344110 |
6 | 22235112203354 |
7 | 2161655005612 |
oct | 352150566326 |
9 | 100121333367 |
10 | 31434403030 |
11 | 123709a0288 |
12 | 611339955a |
13 | 2c6c5ca9a4 |
14 | 1742b54342 |
15 | c3ea172da |
hex | 751a2ecd6 |
31434403030 has 32 divisors (see below), whose sum is σ = 56703725280. Its totient is φ = 12546731520.
The previous prime is 31434403019. The next prime is 31434403051. The reversal of 31434403030 is 3030443413.
It is a junction number, because it is equal to n+sod(n) for n = 31434402986 and 31434403004.
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 15 ways as a sum of consecutive naturals, for example, 14545150 + ... + 14547310.
It is an arithmetic number, because the mean of its divisors is an integer number (1771991415).
Almost surely, 231434403030 is an apocalyptic number.
31434403030 is a deficient number, since it is larger than the sum of its proper divisors (25269322250).
31434403030 is a wasteful number, since it uses less digits than its factorization.
31434403030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4624.
The product of its (nonzero) digits is 5184, while the sum is 25.
Adding to 31434403030 its reverse (3030443413), we get a palindrome (34464846443).
The spelling of 31434403030 in words is "thirty-one billion, four hundred thirty-four million, four hundred three thousand, thirty".
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