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28033075761 = 317117545911
BaseRepresentation
bin11010000110111001…
…101100101000110001
32200100200011210120020
4122012321230220301
5424402431411021
620513410034053
72011454132565
oct320671545061
980320153506
1028033075761
1110985a38809
125524278929
132849a2b9c2
1414dd11d6a5
15ae10eb7c6
hex686e6ca31

28033075761 has 8 divisors (see below), whose sum is σ = 37379686464. Its totient is φ = 18687591120.

The previous prime is 28033075753. The next prime is 28033075771. The reversal of 28033075761 is 16757033082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28033075761 - 23 = 28033075753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28033075751) 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 7 ways as a sum of consecutive naturals, for example, 221605 + ... + 324306.

It is an arithmetic number, because the mean of its divisors is an integer number (4672460808).

Almost surely, 228033075761 is an apocalyptic number.

It is an amenable number.

28033075761 is a deficient number, since it is larger than the sum of its proper divisors (9346610703).

28033075761 is a wasteful number, since it uses less digits than its factorization.

28033075761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563031.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 28033075761 in words is "twenty-eight billion, thirty-three million, seventy-five thousand, seven hundred sixty-one".

Divisors: 1 3 17117 51351 545911 1637733 9344358587 28033075761