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30000010201 = 74285715743
BaseRepresentation
bin11011111100001000…
…111101001111011001
32212102202022102100221
4123330020331033121
5442420000311301
621440512200041
72111266610410
oct337410751731
985382272327
1030000010201
11117a5250767
125992b39021
132aa1399935
14164844c477
15ba8b2bda1
hex6fc23d3d9

30000010201 has 4 divisors (see below), whose sum is σ = 34285725952. Its totient is φ = 25714294452.

The previous prime is 30000010181. The next prime is 30000010223. The reversal of 30000010201 is 10201000003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10201000003 = 19536894737.

It is not a de Polignac number, because 30000010201 - 211 = 30000008153 is a prime.

It is a super-2 number, since 2×300000102012 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 4285715743 = 30000010201 / (3 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30000010291) 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, 2142857865 + ... + 2142857878.

It is an arithmetic number, because the mean of its divisors is an integer number (8571431488).

Almost surely, 230000010201 is an apocalyptic number.

It is an amenable number.

30000010201 is a deficient number, since it is larger than the sum of its proper divisors (4285715751).

30000010201 is an equidigital number, since it uses as much as digits as its factorization.

30000010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285715750.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 30000010201 its reverse (10201000003), we get a palindrome (40201010204).

The spelling of 30000010201 in words is "thirty billion, ten thousand, two hundred one".

Divisors: 1 7 4285715743 30000010201