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68070741051 = 32313716074481
BaseRepresentation
bin111111011001010101…
…010001010000111011
320111200222002221010110
4333121111101100323
52103402102203201
651134332115403
74626566515665
oct773125212073
9214628087113
1068070741051
1126961182295
1211238905b63
13655a83b201
14341a6d3535
151b860736d6
hexfd955143b

68070741051 has 32 divisors (see below), whose sum is σ = 95479077888. Its totient is φ = 43054161920.

The previous prime is 68070741031. The next prime is 68070741061. The reversal of 68070741051 is 15014707086.

It is a cyclic number.

It is not a de Polignac number, because 68070741051 - 25 = 68070741019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68070741031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15188731 + ... + 15193211.

It is an arithmetic number, because the mean of its divisors is an integer number (2983721184).

Almost surely, 268070741051 is an apocalyptic number.

68070741051 is a deficient number, since it is larger than the sum of its proper divisors (27408336837).

68070741051 is a wasteful number, since it uses less digits than its factorization.

68070741051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 68070741051 in words is "sixty-eight billion, seventy million, seven hundred forty-one thousand, fifty-one".

Divisors: 1 3 23 69 137 411 1607 3151 4481 4821 9453 13443 36961 103063 110883 220159 309189 613897 660477 1841691 5063657 7200967 14119631 15190971 21602901 42358893 165622241 496866723 986532479 2959597437 22690247017 68070741051