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85306692833 = 218087391159
BaseRepresentation
bin100111101110010101…
…1001101010011100001
322011012011121000000222
41033130223031103201
52344202003132313
6103104522252425
76106656632165
oct1173453152341
9264164530028
1085306692833
11331a6449a3a
1214649057115
13807669594b
1441b3872ca5
152344307208
hex13dcacd4e1

85306692833 has 4 divisors (see below), whose sum is σ = 85307302080. Its totient is φ = 85306083588.

The previous prime is 85306692829. The next prime is 85306692839. The reversal of 85306692833 is 33829660358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 85306692833 - 22 = 85306692829 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85306692839) 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, 22508 + ... + 413666.

It is an arithmetic number, because the mean of its divisors is an integer number (21326825520).

Almost surely, 285306692833 is an apocalyptic number.

It is an amenable number.

85306692833 is a deficient number, since it is larger than the sum of its proper divisors (609247).

85306692833 is a wasteful number, since it uses less digits than its factorization.

85306692833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609246.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 85306692833 in words is "eighty-five billion, three hundred six million, six hundred ninety-two thousand, eight hundred thirty-three".

Divisors: 1 218087 391159 85306692833