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30002300213 = 171764841189
BaseRepresentation
bin11011111100010001…
…101100010100110101
32212102220121202200012
4123330101230110311
5442421042101323
621441033230005
72111325226004
oct337421542465
985386552605
1030002300213
11117a6575236
125993862305
132aa19bc082
141648886c3b
15ba8e30678
hex6fc46c535

30002300213 has 4 divisors (see below), whose sum is σ = 31767141420. Its totient is φ = 28237459008.

The previous prime is 30002300183. The next prime is 30002300231. The reversal of 30002300213 is 31200320003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31200320003 = 154392020877.

It can be written as a sum of positive squares in 2 ways, for example, as 28226352049 + 1775948164 = 168007^2 + 42142^2 .

It is a cyclic number.

It is not a de Polignac number, because 30002300213 - 212 = 30002296117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002308213) 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, 882420578 + ... + 882420611.

It is an arithmetic number, because the mean of its divisors is an integer number (7941785355).

Almost surely, 230002300213 is an apocalyptic number.

It is an amenable number.

30002300213 is a deficient number, since it is larger than the sum of its proper divisors (1764841207).

30002300213 is a wasteful number, since it uses less digits than its factorization.

30002300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764841206.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30002300213 its reverse (31200320003), we get a palindrome (61202620216).

The spelling of 30002300213 in words is "thirty billion, two million, three hundred thousand, two hundred thirteen".

Divisors: 1 17 1764841189 30002300213