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71674038436 = 2271113173133967
BaseRepresentation
bin100001011000000011…
…0110000100010100100
320212000002100101220011
41002300012300202210
52133242023212221
652532051220004
75115102163120
oct1026006604244
9225002311804
1071674038436
1128440142a10
1211a835a7604
1369b3204140
14367d0a0580
151ce75871e1
hex10b01b08a4

71674038436 has 192 divisors, whose sum is σ = 184072863744. Its totient is φ = 23477299200.

The previous prime is 71674038431. The next prime is 71674038533. The reversal of 71674038436 is 63483047617.

It is a self number, because there is not a number n which added to its sum of digits gives 71674038436.

It is not an unprimeable number, because it can be changed into a prime (71674038431) 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, 2093125 + ... + 2127091.

It is an arithmetic number, because the mean of its divisors is an integer number (958712832).

Almost surely, 271674038436 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 71674038436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92036431872).

71674038436 is an abundant number, since it is smaller than the sum of its proper divisors (112398825308).

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

71674038436 is a wasteful number, since it uses less digits than its factorization.

71674038436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34050 (or 34048 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 71674038436 in words is "seventy-one billion, six hundred seventy-four million, thirty-eight thousand, four hundred thirty-six".