Search a number
-
+
27450980392 = 2311615113819
BaseRepresentation
bin11001100100001101…
…001011100000101000
32121212002212021211111
4121210031023200220
5422204422333032
620335533440104
71661155324543
oct314415134050
977762767744
1027450980392
11107073a9960
1253a1340034
132786261884
141485ab785a
15aa9e68c47
hex66434b828

27450980392 has 32 divisors (see below), whose sum is σ = 57070231200. Its totient is φ = 12273163200.

The previous prime is 27450980369. The next prime is 27450980477. The reversal of 27450980392 is 29308905472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2551542 + ... + 2562277.

It is an arithmetic number, because the mean of its divisors is an integer number (1783444725).

Almost surely, 227450980392 is an apocalyptic number.

27450980392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27450980392 is an abundant number, since it is smaller than the sum of its proper divisors (29619250808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27450980392 is a wasteful number, since it uses less digits than its factorization.

27450980392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113897 (or 5113893 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 27450980392 in words is "twenty-seven billion, four hundred fifty million, nine hundred eighty thousand, three hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 61 88 122 244 488 671 1342 2684 5368 5113819 10227638 20455276 40910552 56252009 112504018 225008036 311942959 450016072 623885918 1247771836 2495543672 3431372549 6862745098 13725490196 27450980392