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2130212203 = 7304316029
BaseRepresentation
bin111111011111000…
…0111010101101011
312111110100222210021
41332332013111223
513330313242303
6551213501311
7103534335130
oct17676072553
95443328707
102130212203
119a34a3a59
124b54a1837
1327c4385c2
14162cb2587
15c7033ebd
hex7ef8756b

2130212203 has 4 divisors (see below), whose sum is σ = 2434528240. Its totient is φ = 1825896168.

The previous prime is 2130212167. The next prime is 2130212207. The reversal of 2130212203 is 3022120312.

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 2130212203 - 217 = 2130081131 is a prime.

It is a super-2 number, since 2×21302122032 = 9075608059620226418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130212207) 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, 152158008 + ... + 152158021.

It is an arithmetic number, because the mean of its divisors is an integer number (608632060).

Almost surely, 22130212203 is an apocalyptic number.

2130212203 is a deficient number, since it is larger than the sum of its proper divisors (304316037).

2130212203 is an equidigital number, since it uses as much as digits as its factorization.

2130212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304316036.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2130212203 is about 46154.2219412266. The cubic root of 2130212203 is about 1286.6910776046.

Adding to 2130212203 its reverse (3022120312), we get a palindrome (5152332515).

The spelling of 2130212203 in words is "two billion, one hundred thirty million, two hundred twelve thousand, two hundred three".

Divisors: 1 7 304316029 2130212203