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2120110231231 = 17269534627031
BaseRepresentation
bin11110110110100000011…
…010101100111010111111
321111200101010102210021201
4132312200122230322333
5234213441204344411
64301544252040331
7306113210424226
oct36664032547277
97450333383251
102120110231231
11748151a552a3
122a2a847630a7
13124c05535105
14748846cbcbd
153a2379a93c1
hex1eda06acebf

2120110231231 has 8 divisors (see below), whose sum is σ = 2244906369504. Its totient is φ = 1995323400960.

The previous prime is 2120110231223. The next prime is 2120110231241. The reversal of 2120110231231 is 1321320110212.

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 2120110231231 - 23 = 2120110231223 is a prime.

It is a super-2 number, since 2×21201102312312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120110231199 and 2120110231208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120110231201) 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, 1855315 + ... + 2771716.

It is an arithmetic number, because the mean of its divisors is an integer number (280613296188).

Almost surely, 22120110231231 is an apocalyptic number.

2120110231231 is a deficient number, since it is larger than the sum of its proper divisors (124796138273).

2120110231231 is a wasteful number, since it uses less digits than its factorization.

2120110231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654001.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2120110231231 its reverse (1321320110212), we get a palindrome (3441430341443).

The spelling of 2120110231231 in words is "two trillion, one hundred twenty billion, one hundred ten million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 17 26953 458201 4627031 78659527 124712366543 2120110231231