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2120032331111 = 171103245945979
BaseRepresentation
bin11110110110011011110…
…001100010010101100111
321111200011200212001102002
4132312123301202111213
5234213311234043421
64301532430235515
7306111243325202
oct36663361422547
97450150761362
102120032331111
11748111a88832
122a2a62655b9b
13124bc235b776
1474878210939
153a230c1cb0b
hex1ed9bc62567

2120032331111 has 16 divisors (see below), whose sum is σ = 2247737817600. Its totient is φ = 1992661507968.

The previous prime is 2120032331099. The next prime is 2120032331141. The reversal of 2120032331111 is 1111332300212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2120032331111 - 214 = 2120032314727 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 (2120032331141) 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, 46085720 + ... + 46131698.

It is an arithmetic number, because the mean of its divisors is an integer number (140483613600).

Almost surely, 22120032331111 is an apocalyptic number.

2120032331111 is a deficient number, since it is larger than the sum of its proper divisors (127705486489).

2120032331111 is a wasteful number, since it uses less digits than its factorization.

2120032331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49558.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2120032331111 its reverse (1111332300212), we get a palindrome (3231364631323).

The spelling of 2120032331111 in words is "two trillion, one hundred twenty billion, thirty-two million, three hundred thirty-one thousand, one hundred eleven".

Divisors: 1 17 1103 2459 18751 41803 45979 781643 2712277 46108709 50714837 113062361 862152229 1922060137 124707784183 2120032331111