Base | Representation |
---|---|
bin | 11011010011011001000… |
… | …10111011111101000010 |
3 | 10022200110110202100002002 |
4 | 31221230202323331002 |
5 | 110332234213441242 |
6 | 1554545044224002 |
7 | 124530405106142 |
oct | 15515442737502 |
9 | 3280413670062 |
10 | 938123968322 |
11 | 331946583532 |
12 | 13199399b002 |
13 | 6a606c7a548 |
14 | 33596768922 |
15 | 1960948c432 |
hex | da6c8bbf42 |
938123968322 has 18 divisors (see below), whose sum is σ = 1421466057387. Its totient is φ = 464349318000.
The previous prime is 938123968321. The next prime is 938123968343. The reversal of 938123968322 is 223869321839.
It can be written as a sum of positive squares in 5 ways, for example, as 873684653521 + 64439314801 = 934711^2 + 253849^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=684881.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (938123968321) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 138342572 + ... + 138349352.
Almost surely, 2938123968322 is an apocalyptic number.
938123968322 is a deficient number, since it is larger than the sum of its proper divisors (483342089065).
938123968322 is an frugal number, since it uses more digits than its factorization.
938123968322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13766 (or 6884 counting only the distinct ones).
The product of its digits is 6718464, while the sum is 56.
The spelling of 938123968322 in words is "nine hundred thirty-eight billion, one hundred twenty-three million, nine hundred sixty-eight thousand, three hundred twenty-two".
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