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2111212120133 = 17873184737097
BaseRepresentation
bin11110101110001110000…
…011000110100001000101
321110211102000001220120102
4132232032003012201011
5234042230300321013
64253513310413445
7305346542633324
oct36561603064105
97424360056512
102111212120133
117443a6225776
122a1200801285
13124117c0a30c
147427ca3a0bb
1539db6706d58
hex1eb8e0c6845

2111212120133 has 8 divisors (see below), whose sum is σ = 2112516821952. Its totient is φ = 2109907559776.

The previous prime is 2111212120103. The next prime is 2111212120141. The reversal of 2111212120133 is 3310212121112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2111212120133 - 212 = 2111212116037 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 (2111212120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56892041 + ... + 56929137.

It is an arithmetic number, because the mean of its divisors is an integer number (264064602744).

Almost surely, 22111212120133 is an apocalyptic number.

It is an amenable number.

2111212120133 is a deficient number, since it is larger than the sum of its proper divisors (1304701819).

2111212120133 is a wasteful number, since it uses less digits than its factorization.

2111212120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70731.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2111212120133 its reverse (3310212121112), we get a palindrome (5421424241245).

The spelling of 2111212120133 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty thousand, one hundred thirty-three".

Divisors: 1 1787 31847 37097 56910589 66292339 1181428159 2111212120133