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67227978048 = 26373111753103
BaseRepresentation
bin111110100111000110…
…011000100101000000
320102112020022010121220
4332213012120211000
52100140330244143
650514544515040
74566654246000
oct764706304500
9212466263556
1067227978048
1126569493a40
121104261ba80
136455064c8a
14337a7d6000
151b370a0d83
hexfa7198940

67227978048 has 896 divisors, whose sum is σ = 246492979200. Its totient is φ = 15968010240.

The previous prime is 67227978011. The next prime is 67227978071. The reversal of 67227978048 is 84087972276.

It is a junction number, because it is equal to n+sod(n) for n = 67227977982 and 67227978000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 652698765 + ... + 652698867.

Almost surely, 267227978048 is an apocalyptic number.

67227978048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67227978048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123246489600).

67227978048 is an abundant number, since it is smaller than the sum of its proper divisors (179265001152).

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

67227978048 is a wasteful number, since it uses less digits than its factorization.

67227978048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 67227978048 in words is "sixty-seven billion, two hundred twenty-seven million, nine hundred seventy-eight thousand, forty-eight".