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75043021914 = 233761253353
BaseRepresentation
bin100010111100011101…
…0011010010001011010
321011200212200111102000
41011320322122101122
52212142003200124
654250240221430
75264431106310
oct1057072322132
9234625614360
1075043021914
1129909914083
121266390a876
1370cc18a3a3
1438bc6b60b0
151e432146c9
hex1178e9a45a

75043021914 has 96 divisors (see below), whose sum is σ = 193764654720. Its totient is φ = 21088978560.

The previous prime is 75043021891. The next prime is 75043021981. The reversal of 75043021914 is 41912034057.

75043021914 is a `hidden beast` number, since 7 + 5 + 0 + 430 + 219 + 1 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1379862 + ... + 1433214.

It is an arithmetic number, because the mean of its divisors is an integer number (2018381820).

Almost surely, 275043021914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75043021914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96882327360).

75043021914 is an abundant number, since it is smaller than the sum of its proper divisors (118721632806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75043021914 is a wasteful number, since it uses less digits than its factorization.

75043021914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53493 (or 53426 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 75043021914 in words is "seventy-five billion, forty-three million, twenty-one thousand, nine hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 61 63 122 126 183 189 366 378 427 549 854 1098 1281 1647 2562 3294 3721 3843 7442 7686 11163 11529 22326 23058 26047 33489 52094 53353 66978 78141 100467 106706 156282 160059 200934 234423 320118 373471 468846 480177 703269 746942 960354 1120413 1406538 1440531 2240826 2881062 3254533 3361239 6509066 6722478 9763599 10083717 19527198 20167434 22781731 29290797 45563462 58581594 68345193 87872391 136690386 175744782 198526513 205035579 397053026 410071158 595579539 615106737 1191159078 1230213474 1389685591 1786738617 2779371182 3573477234 4169056773 5360215851 8338113546 10720431702 12507170319 25014340638 37521510957 75043021914