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71210710010 = 2511647370091
BaseRepresentation
bin100001001010001111…
…1010011001111111010
320210210210111212210002
41002110133103033322
52131314420210020
652414100353002
75100445022306
oct1022437231772
9223723455702
1071210710010
1128222653460
12119743a5762
13693b21b8cb
143637732d06
151cbba64975
hex10947d33fa

71210710010 has 16 divisors (see below), whose sum is σ = 139831939872. Its totient is φ = 25894803600.

The previous prime is 71210710003. The next prime is 71210710027. The reversal of 71210710010 is 1001701217.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323684936 + ... + 323685155.

It is an arithmetic number, because the mean of its divisors is an integer number (8739496242).

Almost surely, 271210710010 is an apocalyptic number.

71210710010 is a deficient number, since it is larger than the sum of its proper divisors (68621229862).

71210710010 is a wasteful number, since it uses less digits than its factorization.

71210710010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647370109.

The product of its (nonzero) digits is 98, while the sum is 20.

The spelling of 71210710010 in words is "seventy-one billion, two hundred ten million, seven hundred ten thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 647370091 1294740182 3236850455 6473700910 7121071001 14242142002 35605355005 71210710010