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2111113033 = 3757057109
BaseRepresentation
bin111110111010101…
…0000011101001001
312110010102122122121
41331311100131021
513310421104113
6545252251241
7103213110331
oct17565203511
95403378577
102111113033
11993739517
124ab010b21
132784ac213
141605400c1
15c550ee8d
hex7dd50749

2111113033 has 4 divisors (see below), whose sum is σ = 2168170180. Its totient is φ = 2054055888.

The previous prime is 2111113027. The next prime is 2111113073. The reversal of 2111113033 is 3303111112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1756280464 + 354832569 = 41908^2 + 18837^2 .

It is not a de Polignac number, because 2111113033 - 229 = 1574242121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111112998 and 2111113016.

It is not an unprimeable number, because it can be changed into a prime (2111113003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28528518 + ... + 28528591.

It is an arithmetic number, because the mean of its divisors is an integer number (542042545).

Almost surely, 22111113033 is an apocalyptic number.

It is an amenable number.

2111113033 is a deficient number, since it is larger than the sum of its proper divisors (57057147).

2111113033 is an equidigital number, since it uses as much as digits as its factorization.

2111113033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57057146.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2111113033 is about 45946.8500879005. The cubic root of 2111113033 is about 1282.8340997093.

Adding to 2111113033 its reverse (3303111112), we get a palindrome (5414224145).

The spelling of 2111113033 in words is "two billion, one hundred eleven million, one hundred thirteen thousand, thirty-three".

Divisors: 1 37 57057109 2111113033