Base | Representation |
---|---|
bin | 11101000000010110… |
… | …101000001000010010 |
3 | 2222101111202201000000 |
4 | 131000112220020102 |
5 | 1002240434210214 |
6 | 22150233310430 |
7 | 2151534260355 |
oct | 350026501022 |
9 | 88344681000 |
10 | 31144444434 |
11 | 12232255084 |
12 | 6052265416 |
13 | 2c2450755c |
14 | 171643629c |
15 | c2433d809 |
hex | 7405a8212 |
31144444434 has 56 divisors (see below), whose sum is σ = 73729495440. Its totient is φ = 9835078968.
The previous prime is 31144444423. The next prime is 31144444447. The reversal of 31144444434 is 43444444113.
31144444434 is a `hidden beast` number, since 31 + 144 + 44 + 443 + 4 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 534432 + ... + 589835.
Almost surely, 231144444434 is an apocalyptic number.
31144444434 is an abundant number, since it is smaller than the sum of its proper divisors (42585051006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31144444434 is a wasteful number, since it uses less digits than its factorization.
31144444434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1124306 (or 1124291 counting only the distinct ones).
The product of its digits is 147456, while the sum is 36.
Adding to 31144444434 its reverse (43444444113), we get a palindrome (74588888547).
The spelling of 31144444434 in words is "thirty-one billion, one hundred forty-four million, four hundred forty-four thousand, four hundred thirty-four".
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