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2112220003 = 9112318573
BaseRepresentation
bin111110111100101…
…1110101101100011
312110012111220010111
41331321132231203
513311212020003
6545332112151
7103225400545
oct17571365543
95405456114
102112220003
11994325173
124ab465657
132787a902a
1416074b695
15c567ce6d
hex7de5eb63

2112220003 has 4 divisors (see below), whose sum is σ = 2114539488. Its totient is φ = 2109900520.

The previous prime is 2112219917. The next prime is 2112220031. The reversal of 2112220003 is 3000222112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112220003 - 225 = 2078665571 is a prime.

It is a super-2 number, since 2×21122200032 = 8922946682146640018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112220043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158376 + ... + 1160197.

It is an arithmetic number, because the mean of its divisors is an integer number (528634872).

Almost surely, 22112220003 is an apocalyptic number.

2112220003 is a deficient number, since it is larger than the sum of its proper divisors (2319485).

2112220003 is an equidigital number, since it uses as much as digits as its factorization.

2112220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319484.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2112220003 is about 45958.8947103822. The cubic root of 2112220003 is about 1283.0582801469.

Adding to 2112220003 its reverse (3000222112), we get a palindrome (5112442115).

The spelling of 2112220003 in words is "two billion, one hundred twelve million, two hundred twenty thousand, three".

Divisors: 1 911 2318573 2112220003