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67976026704 = 243219732111613
BaseRepresentation
bin111111010011101011…
…111101101001010000
320111110100212221110200
4333103223331221100
52103203330323304
651121110055200
74624336456605
oct772353755120
9214410787420
1067976026704
1126912770a73
121121104a500
136544028511
14340bcba6ac
151b7cab4e39
hexfd3afda50

67976026704 has 240 divisors, whose sum is σ = 204082681920. Its totient is φ = 21058652160.

The previous prime is 67976026691. The next prime is 67976026739. The reversal of 67976026704 is 40762067976.

It is a happy number.

It is a super-2 number, since 2×679760267042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42141802 + ... + 42143414.

It is an arithmetic number, because the mean of its divisors is an integer number (850344508).

Almost surely, 267976026704 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 67976026704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102041340960).

67976026704 is an abundant number, since it is smaller than the sum of its proper divisors (136106655216).

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

67976026704 is a wasteful number, since it uses less digits than its factorization.

67976026704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 67976026704 in words is "sixty-seven billion, nine hundred seventy-six million, twenty-six thousand, seven hundred four".