Base | Representation |
---|---|
bin | 100111101011100… |
… | …1110000011010010 |
3 | 10102210102112200202 |
4 | 1033113032003102 |
5 | 10211330040210 |
6 | 340042215202 |
7 | 44665311044 |
oct | 11727160322 |
9 | 3383375622 |
10 | 1331486930 |
11 | 623653924 |
12 | 311ab4502 |
13 | 182b109b7 |
14 | c8b99a94 |
15 | 7bd5e9a5 |
hex | 4f5ce0d2 |
1331486930 has 8 divisors (see below), whose sum is σ = 2396676492. Its totient is φ = 532594768.
The previous prime is 1331486929. The next prime is 1331486963. The reversal of 1331486930 is 396841331.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1331301169 + 185761 = 36487^2 + 431^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66574337 + ... + 66574356.
Almost surely, 21331486930 is an apocalyptic number.
1331486930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1331486930 is a deficient number, since it is larger than the sum of its proper divisors (1065189562).
1331486930 is a wasteful number, since it uses less digits than its factorization.
1331486930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133148700.
The product of its (nonzero) digits is 46656, while the sum is 38.
The square root of 1331486930 is about 36489.5454890850. The cubic root of 1331486930 is about 1100.1341241413.
The spelling of 1331486930 in words is "one billion, three hundred thirty-one million, four hundred eighty-six thousand, nine hundred thirty".
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