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12003100213 = 13923315401
BaseRepresentation
bin10110010110111000…
…01100011000110101
31010222111221200001011
423023130030120311
5144040243201323
65303020032221
7603306445156
oct131334143065
933874850034
1012003100213
1150aa489935
1223ab992671
1311939ab980
1481c1c792d
154a3b8420d
hex2cb70c635

12003100213 has 4 divisors (see below), whose sum is σ = 12926415628. Its totient is φ = 11079784800.

The previous prime is 12003100199. The next prime is 12003100247. The reversal of 12003100213 is 31200130021.

12003100213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1158585444 + 10844514769 = 34038^2 + 104137^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003100213 - 29 = 12003099701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 923315401 = 12003100213 / (1 + 2 + 0 + 0 + 3 + 1 + 0 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003100193 and 12003100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003100253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461657688 + ... + 461657713.

It is an arithmetic number, because the mean of its divisors is an integer number (3231603907).

Almost surely, 212003100213 is an apocalyptic number.

12003100213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12003100213 is a deficient number, since it is larger than the sum of its proper divisors (923315415).

12003100213 is an equidigital number, since it uses as much as digits as its factorization.

12003100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923315414.

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

Adding to 12003100213 its reverse (31200130021), we get a palindrome (43203230234).

The spelling of 12003100213 in words is "twelve billion, three million, one hundred thousand, two hundred thirteen".

Divisors: 1 13 923315401 12003100213