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71755423046 = 21723313779999
BaseRepresentation
bin100001011010011110…
…1001101110101000110
320212012202111011120222
41002310331031311012
52133423342014141
652544115424342
75120111014046
oct1026475156506
9225182434528
1071755423046
112848207a41a
1211aa68b50b2
1369c702a808
143689c07726
151cee7b114b
hex10b4f4dd46

71755423046 has 64 divisors (see below), whose sum is σ = 126074880000. Its totient is φ = 30412039680.

The previous prime is 71755423043. The next prime is 71755423081. The reversal of 71755423046 is 64032455717.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71755422988 and 71755423006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71755423043) 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 31 ways as a sum of consecutive naturals, for example, 856955 + ... + 936953.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920000).

Almost surely, 271755423046 is an apocalyptic number.

71755423046 is a deficient number, since it is larger than the sum of its proper divisors (54319456954).

71755423046 is a wasteful number, since it uses less digits than its factorization.

71755423046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80109.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 71755423046 in words is "seventy-one billion, seven hundred fifty-five million, four hundred twenty-three thousand, forty-six".

Divisors: 1 2 17 23 31 34 37 46 62 74 391 527 629 713 782 851 1054 1147 1258 1426 1702 2294 12121 14467 19499 24242 26381 28934 38998 52762 79999 159998 448477 896954 1359983 1839977 2479969 2719966 2959963 3679954 4959938 5919926 31279609 42159473 50319371 57039287 62559218 68079149 84318946 91758853 100638742 114078574 136158298 183517706 969667879 1157345533 1559900501 1939335758 2110453619 2314691066 3119801002 4220907238 35877711523 71755423046