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71368909315608 = 233192961109780651
BaseRepresentation
bin10000001110100011011110…
…011111001101111000011000
3100100200210122000000011012010
4100032203132133031320120
533323302011241044413
6411442231352545520
721014143050600252
oct2016433637157030
9310623560004163
1071368909315608
11208164257a8023
1280079333b22a0
1330a90a02a9cb8
14138a3b8c30cd2
1583b7083d5dc3
hex40e8de7cde18

71368909315608 has 256 divisors, whose sum is σ = 197656759872000. Its totient is φ = 21383889408000.

The previous prime is 71368909315523. The next prime is 71368909315633. The reversal of 71368909315608 is 80651390986317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 884870083 + ... + 884950733.

It is an arithmetic number, because the mean of its divisors is an integer number (772096718250).

Almost surely, 271368909315608 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 71368909315608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98828379936000).

71368909315608 is an abundant number, since it is smaller than the sum of its proper divisors (126287850556392).

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

71368909315608 is a wasteful number, since it uses less digits than its factorization.

71368909315608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81866 (or 81862 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 71368909315608 in words is "seventy-one trillion, three hundred sixty-eight billion, nine hundred nine million, three hundred fifteen thousand, six hundred eight".