Base | Representation |
---|---|
bin | 11101010000111010… |
… | …100101000010111100 |
3 | 10000002212121110021111 |
4 | 131100322211002330 |
5 | 1003323102220234 |
6 | 22234001011404 |
7 | 2161450116016 |
oct | 352072450274 |
9 | 100085543244 |
10 | 31422304444 |
11 | 12365087453 |
12 | 610b323b64 |
13 | 2c69c52b6b |
14 | 17412c51b6 |
15 | c3d927664 |
hex | 750ea50bc |
31422304444 has 12 divisors (see below), whose sum is σ = 56762872768. Its totient is φ = 15204340800.
The previous prime is 31422304421. The next prime is 31422304493. The reversal of 31422304444 is 44440322413.
It is a super-3 number, since 3×314223044443 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126702717 + ... + 126702964.
Almost surely, 231422304444 is an apocalyptic number.
It is an amenable number.
31422304444 is a deficient number, since it is larger than the sum of its proper divisors (25340568324).
31422304444 is a wasteful number, since it uses less digits than its factorization.
31422304444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253405716 (or 253405714 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 31.
Adding to 31422304444 its reverse (44440322413), we get a palindrome (75862626857).
The spelling of 31422304444 in words is "thirty-one billion, four hundred twenty-two million, three hundred four thousand, four hundred forty-four".
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