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67242426804 = 223374717310939
BaseRepresentation
bin111110100111111101…
…100000000110110100
320102120020111012121000
4332213331200012310
52100203030124204
650520222323300
74600221124440
oct764775400664
9212506435530
1067242426804
1126576662563
1211047429530
136458053737
14337c6b7820
151b384a7039
hexfa7f601b4

67242426804 has 192 divisors, whose sum is σ = 204670771200. Its totient is φ = 18692954496.

The previous prime is 67242426803. The next prime is 67242426809. The reversal of 67242426804 is 40862424276.

It is a self number, because there is not a number n which added to its sum of digits gives 67242426804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67242426803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6141567 + ... + 6152505.

It is an arithmetic number, because the mean of its divisors is an integer number (1065993600).

Almost surely, 267242426804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67242426804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102335385600).

67242426804 is an abundant number, since it is smaller than the sum of its proper divisors (137428344396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67242426804 is a wasteful number, since it uses less digits than its factorization.

67242426804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11179 (or 11171 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 67242426804 in words is "sixty-seven billion, two hundred forty-two million, four hundred twenty-six thousand, eight hundred four".