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2111072202071 = 71017487398819
BaseRepresentation
bin11110101110000101101…
…101010110110101010111
321110211001020210100001222
4132232011231112311113
5234041433440431241
64253451351440555
7305343223434050
oct36560555266527
97424036710058
102111072202071
1174433424a208
122a118198615b
131240c4c2b371
1474268217727
1539da92b9a4b
hex1eb85b56d57

2111072202071 has 16 divisors (see below), whose sum is σ = 2436873154560. Its totient is φ = 1791330928800.

The previous prime is 2111072202059. The next prime is 2111072202119. The reversal of 2111072202071 is 1702022701112.

It is not a de Polignac number, because 2111072202071 - 214 = 2111072185687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111072202071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111072202011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5093900 + ... + 5492718.

It is an arithmetic number, because the mean of its divisors is an integer number (152304572160).

Almost surely, 22111072202071 is an apocalyptic number.

2111072202071 is a deficient number, since it is larger than the sum of its proper divisors (325800952489).

2111072202071 is a wasteful number, since it uses less digits than its factorization.

2111072202071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406414.

The product of its (nonzero) digits is 784, while the sum is 26.

Adding to 2111072202071 its reverse (1702022701112), we get a palindrome (3813094903183).

The spelling of 2111072202071 in words is "two trillion, one hundred eleven billion, seventy-two million, two hundred two thousand, seventy-one".

Divisors: 1 7 101 707 7487 52409 398819 756187 2791733 5293309 40280719 281965033 2985957853 20901704971 301581743153 2111072202071