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2111022131999 = 113156910879931
BaseRepresentation
bin11110101110000010101…
…110010110101100011111
321110210220202120111211212
4132232002232112230133
5234041333131210444
64253442402335035
7305342045025134
oct36560256265437
97423822514755
102111022131999
11744308a60890
122a116905a47b
131240b774a0c1
147426170258b
1539da4bc919e
hex1eb82b96b1f

2111022131999 has 16 divisors (see below), whose sum is σ = 2381399516160. Its totient is φ = 1853940072000.

The previous prime is 2111022131993. The next prime is 2111022132047. The reversal of 2111022131999 is 9991312201112.

It is a cyclic number.

It is not a de Polignac number, because 2111022131999 - 228 = 2110753696543 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 (2111022131993) 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, 5245937 + ... + 5633994.

It is an arithmetic number, because the mean of its divisors is an integer number (148837469760).

Almost surely, 22111022131999 is an apocalyptic number.

2111022131999 is a deficient number, since it is larger than the sum of its proper divisors (270377384161).

2111022131999 is a wasteful number, since it uses less digits than its factorization.

2111022131999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10880542.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 2111022131999 in words is "two trillion, one hundred eleven billion, twenty-two million, one hundred thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 11 31 341 569 6259 17639 194029 10879931 119679241 337277861 3710056471 6190680739 68097488129 191911102909 2111022131999