Search a number
-
+
56199011560 = 235374832
BaseRepresentation
bin110100010101101110…
…001101110011101000
312101001121100120211121
4310111232031303220
51410043421332220
641452323505024
74026443500516
oct642556156350
9171047316747
1056199011560
11219199711aa
12aa84b28174
1353b8137bc3
142a11b454b6
1516ddbddeaa
hexd15b8dce8

56199011560 has 24 divisors (see below), whose sum is σ = 126451149570. Its totient is φ = 22479004896.

The previous prime is 56199011543. The next prime is 56199011563. The reversal of 56199011560 is 6511099165.

It can be written as a sum of positive squares in only one way, i.e., 50579110404 + 5619901156 = 224898^2 + 74966^2 .

It is not an unprimeable number, because it can be changed into a prime (56199011563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1480579 + ... + 1518061.

Almost surely, 256199011560 is an apocalyptic number.

It is an amenable number.

56199011560 is an abundant number, since it is smaller than the sum of its proper divisors (70252138010).

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

56199011560 is an frugal number, since it uses more digits than its factorization.

56199011560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74977 (or 37490 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 43.

The spelling of 56199011560 in words is "fifty-six billion, one hundred ninety-nine million, eleven thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 37483 74966 149932 187415 299864 374830 749660 1499320 1404975289 2809950578 5619901156 7024876445 11239802312 14049752890 28099505780 56199011560