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67109813323 = 7210789126943
BaseRepresentation
bin111110100000000011…
…100111110001001011
320102012222221202002121
4332200003213301023
52044420103011243
650455124112111
74564021000300
oct764003476113
9212188852077
1067109813323
1126508816043
121100ab35637
136436731517
143368c370a7
151b2ba0e1ed
hexfa00e7c4b

67109813323 has 12 divisors (see below), whose sum is σ = 78074368320. Its totient is φ = 57516912432.

The previous prime is 67109813311. The next prime is 67109813327. The reversal of 67109813323 is 32331890176.

It is a happy number.

67109813323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67109813323 - 225 = 67076258891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67109813323.

It is not an unprimeable number, because it can be changed into a prime (67109813327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465190 + ... + 592132.

It is an arithmetic number, because the mean of its divisors is an integer number (6506197360).

Almost surely, 267109813323 is an apocalyptic number.

67109813323 is a deficient number, since it is larger than the sum of its proper divisors (10964554997).

67109813323 is a wasteful number, since it uses less digits than its factorization.

67109813323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137746 (or 137739 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 67109813323 in words is "sixty-seven billion, one hundred nine million, eight hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 7 49 10789 75523 126943 528661 888601 6220207 1369588027 9587116189 67109813323