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30202216666 = 2611319187687
BaseRepresentation
bin11100001000001100…
…010100000011011010
32212221211210120111021
4130020030110003122
5443323231413131
621512534153054
72116303414546
oct341014240332
985854716437
1030202216666
1111899400446
125a2a7b278a
132b0424732b
141667246a26
15bbb76ee11
hex7083140da

30202216666 has 16 divisors (see below), whose sum is σ = 46081157760. Its totient is φ = 14842208880.

The previous prime is 30202216657. The next prime is 30202216697. The reversal of 30202216666 is 66661220203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67075 + ... + 254761.

It is an arithmetic number, because the mean of its divisors is an integer number (2880072360).

Almost surely, 230202216666 is an apocalyptic number.

30202216666 is a deficient number, since it is larger than the sum of its proper divisors (15878941094).

30202216666 is a wasteful number, since it uses less digits than its factorization.

30202216666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189069.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 30202216666 its reverse (66661220203), we get a palindrome (96863436869).

The spelling of 30202216666 in words is "thirty billion, two hundred two million, two hundred sixteen thousand, six hundred sixty-six".

Divisors: 1 2 61 122 1319 2638 80459 160918 187687 375374 11448907 22897814 247559153 495118306 15101108333 30202216666