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2120030003 = 713223104471
BaseRepresentation
bin111111001011101…
…0001011100110011
312110202012200102202
41332113101130303
513320211430003
6550211333415
7103351646330
oct17627213463
95422180382
102120030003
11998779a13
124b1bb126b
1327a2b1b30
141617c1987
15c61c2088
hex7e5d1733

2120030003 has 16 divisors (see below), whose sum is σ = 2620993536. Its totient is φ = 1669848480.

The previous prime is 2120029981. The next prime is 2120030023. The reversal of 2120030003 is 3000300212.

It is a cyclic number.

It is not a de Polignac number, because 2120030003 - 214 = 2120013619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120030023) 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 15 ways as a sum of consecutive naturals, for example, 31943 + ... + 72528.

It is an arithmetic number, because the mean of its divisors is an integer number (163812096).

Almost surely, 22120030003 is an apocalyptic number.

2120030003 is a deficient number, since it is larger than the sum of its proper divisors (500963533).

2120030003 is a wasteful number, since it uses less digits than its factorization.

2120030003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104714.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2120030003 is about 46043.7835434926. The cubic root of 2120030003 is about 1284.6377178731.

Adding to 2120030003 its reverse (3000300212), we get a palindrome (5120330215).

The spelling of 2120030003 in words is "two billion, one hundred twenty million, thirty thousand, three".

Divisors: 1 7 13 91 223 1561 2899 20293 104471 731297 1358123 9506861 23297033 163079231 302861429 2120030003