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1220313120198 = 23613334188853
BaseRepresentation
bin10001110000100000010…
…101000111110111000110
311022122211201102112101120
4101300200111013313012
5124443200124321243
62332334253134410
7154110332242554
oct21604025076706
94278751375346
101220313120198
11430593a40a37
1217860848a406
138b0c8b05263
14430c623abd4
1521b231a7c83
hex11c20547dc6

1220313120198 has 16 divisors (see below), whose sum is σ = 2480636507376. Its totient is φ = 400102662240.

The previous prime is 1220313120193. The next prime is 1220313120211. The reversal of 1220313120198 is 8910213130221.

It is a super-2 number, since 2×12203131201982 (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 (1220313120193) 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, 1667094061 + ... + 1667094792.

It is an arithmetic number, because the mean of its divisors is an integer number (155039781711).

Almost surely, 21220313120198 is an apocalyptic number.

1220313120198 is an abundant number, since it is smaller than the sum of its proper divisors (1260323387178).

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

1220313120198 is a wasteful number, since it uses less digits than its factorization.

1220313120198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334188919.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 1220313120198 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, one hundred twenty thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 61 122 183 366 3334188853 6668377706 10002566559 20005133118 203385520033 406771040066 610156560099 1220313120198