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71039356142 = 2112338538209
BaseRepresentation
bin100001000101001000…
…1101000110011101110
320210100212002012110112
41002022101220303232
52130442033344032
652345055540022
75063264364326
oct1021221506356
9223325065415
1071039356142
1128144956797
1211926b2a612
1369118842a1
14361ca8a286
151cab9b81b2
hex108a468cee

71039356142 has 16 divisors (see below), whose sum is σ = 106694598480. Its totient is φ = 35474516352.

The previous prime is 71039356133. The next prime is 71039356151. The reversal of 71039356142 is 24165393017.

It is an interprime number because it is at equal distance from previous prime (71039356133) and next prime (71039356151).

It is a self number, because there is not a number n which added to its sum of digits gives 71039356142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8649734 + ... + 8657942.

It is an arithmetic number, because the mean of its divisors is an integer number (6668412405).

Almost surely, 271039356142 is an apocalyptic number.

71039356142 is a deficient number, since it is larger than the sum of its proper divisors (35655242338).

71039356142 is a wasteful number, since it uses less digits than its factorization.

71039356142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13187.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 71039356142 in words is "seventy-one billion, thirty-nine million, three hundred fifty-six thousand, one hundred forty-two".

Divisors: 1 2 1123 2246 3853 7706 8209 16418 4326919 8653838 9218707 18437414 31629277 63258554 35519678071 71039356142