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BaseRepresentation
bin111111010001011…
…0001000011000101
312110221212202111201
41332202301003011
513321444334023
6550400102501
7103416365530
oct17642610305
95427782451
102123043013
1199a447703
124b3004a31
1327aac8390
14161d67a17
15c65b9bad
hex7e8b10c5

2123043013 has 16 divisors (see below), whose sum is σ = 2648778496. Its totient is φ = 1656754560.

The previous prime is 2123043001. The next prime is 2123043053. The reversal of 2123043013 is 3103403212.

It is a cyclic number.

It is not a de Polignac number, because 2123043013 - 25 = 2123042981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123043053) 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, 153153 + ... + 166438.

It is an arithmetic number, because the mean of its divisors is an integer number (165548656).

Almost surely, 22123043013 is an apocalyptic number.

It is an amenable number.

2123043013 is a deficient number, since it is larger than the sum of its proper divisors (525735483).

2123043013 is a wasteful number, since it uses less digits than its factorization.

2123043013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319684.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123043013 is about 46076.4908928621. The cubic root of 2123043013 is about 1285.2460102200.

Adding to 2123043013 its reverse (3103403212), we get a palindrome (5226446225).

The spelling of 2123043013 in words is "two billion, one hundred twenty-three million, forty-three thousand, thirteen".