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71706107166 = 2383143988167
BaseRepresentation
bin100001011001000000…
…1000101110100011110
320212002022200122220220
41002302001011310132
52133323230412131
652535154422210
75115641566011
oct1026201056436
9225068618826
1071706107166
11284572566a1
1211a92291966
1369b9a51915
14368344b378
151cea2bde96
hex10b2045d1e

71706107166 has 16 divisors (see below), whose sum is σ = 145140073344. Its totient is φ = 23614059224.

The previous prime is 71706107149. The next prime is 71706107261. The reversal of 71706107166 is 66170160717.

It is a Curzon number.

It is a congruent number.

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, 71993586 + ... + 71994581.

It is an arithmetic number, because the mean of its divisors is an integer number (9071254584).

Almost surely, 271706107166 is an apocalyptic number.

71706107166 is an abundant number, since it is smaller than the sum of its proper divisors (73433966178).

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

71706107166 is a wasteful number, since it uses less digits than its factorization.

71706107166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143988255.

The product of its (nonzero) digits is 74088, while the sum is 42.

The spelling of 71706107166 in words is "seventy-one billion, seven hundred six million, one hundred seven thousand, one hundred sixty-six".

Divisors: 1 2 3 6 83 166 249 498 143988167 287976334 431964501 863929002 11951017861 23902035722 35853053583 71706107166