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71725240392 = 233133167151733
BaseRepresentation
bin100001011001100101…
…0000101000001001000
320212010122200201202220
41002303022011001020
52133343130143032
652541120454040
75116263325011
oct1026312050110
9225118621686
1071725240392
1128467034783
1211a9877a320
1369c09c0660
143685bcc008
151cebced12c
hex10b3285048

71725240392 has 256 divisors, whose sum is σ = 203928453120. Its totient is φ = 20870784000.

The previous prime is 71725240351. The next prime is 71725240397. The reversal of 71725240392 is 29304252717.

It is not an unprimeable number, because it can be changed into a prime (71725240397) 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, 97851258 + ... + 97851990.

It is an arithmetic number, because the mean of its divisors is an integer number (796595520).

Almost surely, 271725240392 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 71725240392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101964226560).

71725240392 is an abundant number, since it is smaller than the sum of its proper divisors (132203212728).

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

71725240392 is a wasteful number, since it uses less digits than its factorization.

71725240392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 71725240392 in words is "seventy-one billion, seven hundred twenty-five million, two hundred forty thousand, three hundred ninety-two".