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30003222109 = 74286174587
BaseRepresentation
bin11011111100010101…
…001101011001011101
32212102222100121021111
4123330111031121131
5442421311101414
621441105102021
72111336115520
oct337425153135
985388317244
1030003222109
11117a7044933
125994027911
132aa1c52883
141648a46bb7
15ba90638c4
hex6fc54d65d

30003222109 has 4 divisors (see below), whose sum is σ = 34289396704. Its totient is φ = 25717047516.

The previous prime is 30003222101. The next prime is 30003222127. The reversal of 30003222109 is 90122230003.

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: 90122230003 = 136932479231.

It is a cyclic number.

It is not a de Polignac number, because 30003222109 - 23 = 30003222101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30003222109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003222101) 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, 2143087287 + ... + 2143087300.

It is an arithmetic number, because the mean of its divisors is an integer number (8572349176).

Almost surely, 230003222109 is an apocalyptic number.

It is an amenable number.

30003222109 is a deficient number, since it is larger than the sum of its proper divisors (4286174595).

30003222109 is an equidigital number, since it uses as much as digits as its factorization.

30003222109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286174594.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 30003222109 in words is "thirty billion, three million, two hundred twenty-two thousand, one hundred nine".

Divisors: 1 7 4286174587 30003222109