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2120031130 = 25730286159
BaseRepresentation
bin111111001011101…
…0001101110011010
312110202012201222111
41332113101232122
513320211444010
6550211342534
7103351652530
oct17627215632
95422181874
102120031130
1199877a848
124b1bb1a4a
1327a2b24b9
141617c2150
15c61c258a
hex7e5d1b9a

2120031130 has 16 divisors (see below), whose sum is σ = 4361207040. Its totient is φ = 726867792.

The previous prime is 2120031101. The next prime is 2120031139. The reversal of 2120031130 is 311300212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120031130.

It is not an unprimeable number, because it can be changed into a prime (2120031139) 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 7 ways as a sum of consecutive naturals, for example, 15143010 + ... + 15143149.

It is an arithmetic number, because the mean of its divisors is an integer number (272575440).

Almost surely, 22120031130 is an apocalyptic number.

2120031130 is an abundant number, since it is smaller than the sum of its proper divisors (2241175910).

2120031130 is a wasteful number, since it uses less digits than its factorization.

2120031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30286173.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2120031130 is about 46043.7957818423. The cubic root of 2120031130 is about 1284.6379455093.

Adding to 2120031130 its reverse (311300212), we get a palindrome (2431331342).

The spelling of 2120031130 in words is "two billion, one hundred twenty million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 30286159 60572318 151430795 212003113 302861590 424006226 1060015565 2120031130