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30827749794 = 235137958299
BaseRepresentation
bin11100101101011110…
…100010000110100010
32221120102211221121220
4130231132202012202
51001113400443134
622055001355510
72140640356362
oct345536420642
987512757556
1030827749794
111208a508776
125b84198b96
132ba3a1298a
1416c63589a2
15c06633149
hex72d7a21a2

30827749794 has 8 divisors (see below), whose sum is σ = 61655499600. Its totient is φ = 10275916596.

The previous prime is 30827749763. The next prime is 30827749829. The reversal of 30827749794 is 49794772803.

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

30827749794 is an admirable number.

It is a super-2 number, since 2×308277497942 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 2568979144 + ... + 2568979155.

It is an arithmetic number, because the mean of its divisors is an integer number (7706937450).

Almost surely, 230827749794 is an apocalyptic number.

30827749794 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.

30827749794 is a wasteful number, since it uses less digits than its factorization.

30827749794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137958304.

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 30827749794 in words is "thirty billion, eight hundred twenty-seven million, seven hundred forty-nine thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 5137958299 10275916598 15413874897 30827749794