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71069803056 = 2434732937149
BaseRepresentation
bin100001000110000010…
…1110010001000110000
320210102222101001210000
41002030011302020300
52131022332144211
652352104310000
75064114234000
oct1021405621060
9223388331700
1071069803056
1128160061a2a
1211935172300
136917c84805
143622b34000
151cae4ce656
hex108c172230

71069803056 has 800 divisors, whose sum is σ = 256568400000. Its totient is φ = 18947561472.

The previous prime is 71069803039. The next prime is 71069803073. The reversal of 71069803056 is 65030896017.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71069803039) and next prime (71069803073).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 476978470 + ... + 476978618.

It is an arithmetic number, because the mean of its divisors is an integer number (320710500).

Almost surely, 271069803056 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 71069803056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128284200000).

71069803056 is an abundant number, since it is smaller than the sum of its proper divisors (185498596944).

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

71069803056 is a wasteful number, since it uses less digits than its factorization.

71069803056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 71069803056 in words is "seventy-one billion, sixty-nine million, eight hundred three thousand, fifty-six".