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2199162668381 = 71961726799121
BaseRepresentation
bin100000000000001000010…
…011110100010101011101
321210020102102112200102022
4200000020103310111131
5242012341120342011
64402140440105525
7314612205153020
oct40001023642535
97706372480368
102199162668381
11778728aa3388
122b62671652a5
1312c4c325c543
14786236891b7
153c312ba38db
hex200084f455d

2199162668381 has 16 divisors (see below), whose sum is σ = 2649897183360. Its totient is φ = 1782891855360.

The previous prime is 2199162668357. The next prime is 2199162668401. The reversal of 2199162668381 is 1838662619912.

It is not a de Polignac number, because 2199162668381 - 226 = 2199095559517 is a prime.

It is a super-2 number, since 2×21991626683812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199162668321) 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, 13317500 + ... + 13481621.

It is an arithmetic number, because the mean of its divisors is an integer number (165618573960).

Almost surely, 22199162668381 is an apocalyptic number.

It is an amenable number.

2199162668381 is a deficient number, since it is larger than the sum of its proper divisors (450734514979).

2199162668381 is a wasteful number, since it uses less digits than its factorization.

2199162668381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26799764.

The product of its digits is 13436928, while the sum is 62.

The spelling of 2199162668381 in words is "two trillion, one hundred ninety-nine billion, one hundred sixty-two million, six hundred sixty-eight thousand, three hundred eighty-one".

Divisors: 1 7 19 133 617 4319 11723 82061 26799121 187593847 509183299 3564283093 16535057657 115745403599 314166095483 2199162668381