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11172794668 = 227399028381
BaseRepresentation
bin10100110011111001…
…10101000100101100
31001211122120202221221
422121330311010230
5140340213412133
65044355433124
7543605121250
oct123174650454
931748522857
1011172794668
11481382a002
1221b98b57a4
131090977a09
1477dc10260
15455d22a2d
hex299f3512c

11172794668 has 12 divisors (see below), whose sum is σ = 22345589392. Its totient is φ = 4788340560.

The previous prime is 11172794641. The next prime is 11172794669. The reversal of 11172794668 is 86649727111.

It is a happy number.

11172794668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11172794668 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11172794669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199514163 + ... + 199514218.

Almost surely, 211172794668 is an apocalyptic number.

It is an amenable number.

11172794668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11172794668 is a wasteful number, since it uses less digits than its factorization.

11172794668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399028392 (or 399028390 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The spelling of 11172794668 in words is "eleven billion, one hundred seventy-two million, seven hundred ninety-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 399028381 798056762 1596113524 2793198667 5586397334 11172794668