Search a number
-
+
2196729768 = 233283503643
BaseRepresentation
bin1000001011101111…
…0110111110101000
312200002112102201210
42002323312332220
513444330323033
61001551313120
7105302615652
oct20273667650
95602472653
102196729768
11a27aa6652
1251381b7a0
13290157ccc
1416ba696d2
15cccc2d63
hex82ef6fa8

2196729768 has 64 divisors (see below), whose sum is σ = 5530775040. Its totient is φ = 727072704.

The previous prime is 2196729767. The next prime is 2196729811. The reversal of 2196729768 is 8679276912.

It is not an unprimeable number, because it can be changed into a prime (2196729761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416055 + ... + 3416697.

It is an arithmetic number, because the mean of its divisors is an integer number (86418360).

Almost surely, 22196729768 is an apocalyptic number.

It is an amenable number.

2196729768 is an abundant number, since it is smaller than the sum of its proper divisors (3334045272).

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

2196729768 is a wasteful number, since it uses less digits than its factorization.

2196729768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1434 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 2196729768 is about 46869.2838434726. The cubic root of 2196729768 is about 1299.9466976173.

The spelling of 2196729768 in words is "two billion, one hundred ninety-six million, seven hundred twenty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 283 503 566 643 849 1006 1132 1286 1509 1698 1929 2012 2264 2572 3018 3396 3858 4024 5144 6036 6792 7716 12072 15432 142349 181969 284698 323429 363938 427047 545907 569396 646858 727876 854094 970287 1091814 1138792 1293716 1455752 1708188 1940574 2183628 2587432 3416376 3881148 4367256 7762296 91530407 183060814 274591221 366121628 549182442 732243256 1098364884 2196729768