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71425797758 = 2723172299163
BaseRepresentation
bin100001010000101001…
…1110010111001111110
320211100210020110200222
41002201103302321332
52132240001012013
652451302421342
75105666156300
oct1024123627176
9224323213628
1071425797758
1128323001027
1211a14431852
136973959473
143658121970
151cd089e508
hex10a14f2e7e

71425797758 has 24 divisors (see below), whose sum is σ = 125023939992. Its totient is φ = 30514478064.

The previous prime is 71425797757. The next prime is 71425797791. The reversal of 71425797758 is 85779752417.

It is a self number, because there is not a number n which added to its sum of digits gives 71425797758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71425797757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118516 + ... + 1180647.

It is an arithmetic number, because the mean of its divisors is an integer number (5209330833).

Almost surely, 271425797758 is an apocalyptic number.

71425797758 is a deficient number, since it is larger than the sum of its proper divisors (53598142234).

71425797758 is a wasteful number, since it uses less digits than its factorization.

71425797758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299496 (or 2299489 counting only the distinct ones).

The product of its digits is 34574400, while the sum is 62.

The spelling of 71425797758 in words is "seventy-one billion, four hundred twenty-five million, seven hundred ninety-seven thousand, seven hundred fifty-eight".

Divisors: 1 2 7 14 49 98 317 634 2219 4438 15533 31066 2299163 4598326 16094141 32188282 112658987 225317974 728834671 1457669342 5101842697 10203685394 35712898879 71425797758