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2113222043 = 17231235877
BaseRepresentation
bin111110111110101…
…0011010110011011
312110021101210200002
41331331103112123
513311441101133
6545405403215
7103240043132
oct17575232633
95407353602
102113222043
11994949aa9
124ab86950b
13278a6a15a
1416092c919
15c57c9ce8
hex7df5359b

2113222043 has 12 divisors (see below), whose sum is σ = 2317265472. Its totient is φ = 1924748160.

The previous prime is 2113221983. The next prime is 2113222049. The reversal of 2113222043 is 3402223112.

It is not a de Polignac number, because 2113222043 - 28 = 2113221787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113222049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108980 + ... + 126897.

It is an arithmetic number, because the mean of its divisors is an integer number (193105456).

Almost surely, 22113222043 is an apocalyptic number.

2113222043 is a deficient number, since it is larger than the sum of its proper divisors (204043429).

2113222043 is a wasteful number, since it uses less digits than its factorization.

2113222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235942 (or 235925 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2113222043 is about 45969.7948983895. The cubic root of 2113222043 is about 1283.2611429267.

Adding to 2113222043 its reverse (3402223112), we get a palindrome (5515445155).

The spelling of 2113222043 in words is "two billion, one hundred thirteen million, two hundred twenty-two thousand, forty-three".

Divisors: 1 17 31 289 527 8959 235877 4009909 7312187 68168453 124307179 2113222043