Base | Representation |
---|---|
bin | 10011011101000001… |
… | …10100010110011100 |
3 | 222221212021202200100 |
4 | 21232200310112130 |
5 | 132342133001023 |
6 | 4444203501100 |
7 | 516545542050 |
oct | 115640642634 |
9 | 28855252610 |
10 | 10444031388 |
11 | 447a4243aa |
12 | 2035827790 |
13 | ca59a753b |
14 | 711109c60 |
15 | 411d6cc43 |
hex | 26e83459c |
10444031388 has 72 divisors (see below), whose sum is σ = 30740961888. Its totient is φ = 2927703168.
The previous prime is 10444031371. The next prime is 10444031399. The reversal of 10444031388 is 88313044401.
10444031388 is a `hidden beast` number, since 104 + 440 + 31 + 3 + 88 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377631 + ... + 404342.
It is an arithmetic number, because the mean of its divisors is an integer number (426957804).
Almost surely, 210444031388 is an apocalyptic number.
10444031388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
10444031388 is an abundant number, since it is smaller than the sum of its proper divisors (20296930500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10444031388 is a wasteful number, since it uses less digits than its factorization.
10444031388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 782043 (or 782038 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
Adding to 10444031388 its reverse (88313044401), we get a palindrome (98757075789).
The spelling of 10444031388 in words is "ten billion, four hundred forty-four million, thirty-one thousand, three hundred eighty-eight".
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