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20310333121 = 132237005979
BaseRepresentation
bin10010111010100101…
…110001011011000001
31221102110110211021001
4102322211301123001
5313043421124441
613155212532001
71316210661121
oct227245613301
957373424231
1020310333121
118682720981
123b29a81001
131bb8a82ac0
14da95c8c81
157dd11b731
hex4ba9716c1

20310333121 has 8 divisors (see below), whose sum is σ = 21970753280. Its totient is φ = 18663925392.

The previous prime is 20310333101. The next prime is 20310333163. The reversal of 20310333121 is 12133301302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20310333121 - 25 = 20310333089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310333101) 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 7 ways as a sum of consecutive naturals, for example, 3500091 + ... + 3505888.

It is an arithmetic number, because the mean of its divisors is an integer number (2746344160).

Almost surely, 220310333121 is an apocalyptic number.

It is an amenable number.

20310333121 is a deficient number, since it is larger than the sum of its proper divisors (1660420159).

20310333121 is a wasteful number, since it uses less digits than its factorization.

20310333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006215.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20310333121 its reverse (12133301302), we get a palindrome (32443634423).

The spelling of 20310333121 in words is "twenty billion, three hundred ten million, three hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 13 223 2899 7005979 91077727 1562333317 20310333121