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68735248039 = 2572631016929
BaseRepresentation
bin100000000000011110…
…0001010011010100111
320120102021111101100101
41000000330022122213
52111232210414124
651324310524531
74652215653103
oct1000074123247
9216367441311
1068735248039
112717228a217
12113a3366747
136635401303
143480a6c903
151bc4584644
hex1000f0a6a7

68735248039 has 8 divisors (see below), whose sum is σ = 69265136160. Its totient is φ = 68207394816.

The previous prime is 68735248037. The next prime is 68735248117. The reversal of 68735248039 is 93084253786.

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

It is a cyclic number.

It is not a de Polignac number, because 68735248039 - 21 = 68735248037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68735248031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440874 + ... + 576055.

It is an arithmetic number, because the mean of its divisors is an integer number (8658142020).

Almost surely, 268735248039 is an apocalyptic number.

68735248039 is a deficient number, since it is larger than the sum of its proper divisors (529888121).

68735248039 is a wasteful number, since it uses less digits than its factorization.

68735248039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017449.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 68735248039 in words is "sixty-eight billion, seven hundred thirty-five million, two hundred forty-eight thousand, thirty-nine".

Divisors: 1 257 263 67591 1016929 261350753 267452327 68735248039