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2110012331 = 7301430333
BaseRepresentation
bin111110111000100…
…0011101110101011
312110001100201202212
41331301003232223
513310130343311
6545212515335
7103200544310
oct17561035653
95401321685
102110012331
11993057549
124aa77bb4b
132781b520b
14160334d07
15c5393c8b
hex7dc43bab

2110012331 has 4 divisors (see below), whose sum is σ = 2411442672. Its totient is φ = 1808581992.

The previous prime is 2110012297. The next prime is 2110012349. The reversal of 2110012331 is 1332100112.

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

It is a de Polignac number, because none of the positive numbers 2k-2110012331 is a prime.

It is a super-2 number, since 2×21100123312 = 8904304073944107122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110012231) 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 3 ways as a sum of consecutive naturals, for example, 150715160 + ... + 150715173.

It is an arithmetic number, because the mean of its divisors is an integer number (602860668).

Almost surely, 22110012331 is an apocalyptic number.

2110012331 is a deficient number, since it is larger than the sum of its proper divisors (301430341).

2110012331 is an equidigital number, since it uses as much as digits as its factorization.

2110012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301430340.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2110012331 is about 45934.8705342684. The cubic root of 2110012331 is about 1282.6111109335.

Adding to 2110012331 its reverse (1332100112), we get a palindrome (3442112443).

The spelling of 2110012331 in words is "two billion, one hundred ten million, twelve thousand, three hundred thirty-one".

Divisors: 1 7 301430333 2110012331