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68047521032 = 23891011039187
BaseRepresentation
bin111111010111111100…
…101100010100001000
320111122100102020020202
4333113330230110020
52103330131133112
651132142311332
74626165246101
oct772774542410
9214570366222
1068047521032
112694a062797
1211230b88548
136555a9b25a
1434175ab3a8
151b83ed86c2
hexfd7f2c508

68047521032 has 64 divisors (see below), whose sum is σ = 131579510400. Its totient is φ = 32981414400.

The previous prime is 68047520971. The next prime is 68047521077. The reversal of 68047521032 is 23012574086.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7402343 + ... + 7411529.

It is an arithmetic number, because the mean of its divisors is an integer number (2055929850).

Almost surely, 268047521032 is an apocalyptic number.

It is an amenable number.

68047521032 is a deficient number, since it is larger than the sum of its proper divisors (63531989368).

68047521032 is a wasteful number, since it uses less digits than its factorization.

68047521032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486 (or 9482 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 68047521032 in words is "sixty-eight billion, forty-seven million, five hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 89 101 103 178 202 206 356 404 412 712 808 824 8989 9167 9187 10403 17978 18334 18374 20806 35956 36668 36748 41612 71912 73336 73496 83224 817643 925867 927887 946261 1635286 1851734 1855774 1892522 3270572 3703468 3711548 3785044 6541144 7406936 7423096 7570088 82581943 84217229 95572361 165163886 168434458 191144722 330327772 336868916 382289444 660655544 673737832 764578888 8505940129 17011880258 34023760516 68047521032