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16871229088861 = 73317281497233
BaseRepresentation
bin1111010110000010001110…
…0111011110010001011101
32012201212120222000011112111
43311200203213132101131
54202404234121320421
655514311411034021
73360622533050560
oct365404347362135
965655528004474
1016871229088861
115415058a96954
121a8591059b911
13954c47419b34
144248011dc4d7
151e3cd5662ee1
hexf58239de45d

16871229088861 has 8 divisors (see below), whose sum is σ = 19339656653504. Its totient is φ = 14417364519360.

The previous prime is 16871229088849. The next prime is 16871229088913. The reversal of 16871229088861 is 16888092217861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16871229088861 - 29 = 16871229088349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16871229082861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3640746300 + ... + 3640750933.

It is an arithmetic number, because the mean of its divisors is an integer number (2417457081688).

Almost surely, 216871229088861 is an apocalyptic number.

It is an amenable number.

16871229088861 is a deficient number, since it is larger than the sum of its proper divisors (2468427564643).

16871229088861 is an equidigital number, since it uses as much as digits as its factorization.

16871229088861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281497571.

The product of its (nonzero) digits is 37158912, while the sum is 67.

The spelling of 16871229088861 in words is "sixteen trillion, eight hundred seventy-one billion, two hundred twenty-nine million, eighty-eight thousand, eight hundred sixty-one".

Divisors: 1 7 331 2317 7281497233 50970480631 2410175584123 16871229088861