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811768996 = 221910681171
BaseRepresentation
bin110000011000101…
…001110010100100
32002120111010201101
4300120221302210
53130303101441
6212315005444
726054631313
oct6030516244
92076433641
10811768996
1138724a075
121a7a39884
13cc2439ac
1479b5027a
154b3ee231
hex30629ca4

811768996 has 12 divisors (see below), whose sum is σ = 1495364080. Its totient is φ = 384522120.

The previous prime is 811768987. The next prime is 811768999. The reversal of 811768996 is 699867118.

It is not an unprimeable number, because it can be changed into a prime (811768999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340510 + ... + 5340661.

Almost surely, 2811768996 is an apocalyptic number.

It is an amenable number.

811768996 is a deficient number, since it is larger than the sum of its proper divisors (683595084).

811768996 is a wasteful number, since it uses less digits than its factorization.

811768996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681194 (or 10681192 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 55.

The square root of 811768996 is about 28491.5600836458. The cubic root of 811768996 is about 932.8478610747.

The spelling of 811768996 in words is "eight hundred eleven million, seven hundred sixty-eight thousand, nine hundred ninety-six".

Divisors: 1 2 4 19 38 76 10681171 21362342 42724684 202942249 405884498 811768996