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71884073741 = 677011530523
BaseRepresentation
bin100001011110010011…
…1111110101100001101
320212112201120022011112
41002330213332230031
52134204310324431
653004553101405
75123232355004
oct1027447765415
9225481508145
1071884073741
112853875a607
1211b219b7865
136a1789309c
14369cd35c3b
151d0ac24c2b
hex10bc9feb0d

71884073741 has 8 divisors (see below), whose sum is σ = 73061093664. Its totient is φ = 70710116400.

The previous prime is 71884073717. The next prime is 71884073743. The reversal of 71884073741 is 14737048817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71884073741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71884073741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71884073743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718295 + ... + 812228.

It is an arithmetic number, because the mean of its divisors is an integer number (9132636708).

Almost surely, 271884073741 is an apocalyptic number.

It is an amenable number.

71884073741 is a deficient number, since it is larger than the sum of its proper divisors (1177019923).

71884073741 is a wasteful number, since it uses less digits than its factorization.

71884073741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531291.

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 71884073741 in words is "seventy-one billion, eight hundred eighty-four million, seventy-three thousand, seven hundred forty-one".

Divisors: 1 67 701 46967 1530523 102545041 1072896623 71884073741