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20303203022131 = 294513915510101
BaseRepresentation
bin1001001110111001101010…
…01101000011010100110011
32122212222010010102220202011
410213130311031003110303
510130121424433202011
6111103055051103351
74163600204132221
oct447346515032463
978788103386664
1020303203022131
1165185a3891267
12233aa91741b57
13b4377889b8c3
14502974933b11
152531ed83d621
hex127735343533

20303203022131 has 8 divisors (see below), whose sum is σ = 21003780128400. Its totient is φ = 19602657026400.

The previous prime is 20303203022099. The next prime is 20303203022147. The reversal of 20303203022131 is 13122030230302.

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 20303203022131 - 25 = 20303203022099 is a prime.

It is a super-2 number, since 2×203032030221312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20303203022731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6446020 + ... + 9064081.

It is an arithmetic number, because the mean of its divisors is an integer number (2625472516050).

Almost surely, 220303203022131 is an apocalyptic number.

20303203022131 is a deficient number, since it is larger than the sum of its proper divisors (700577106269).

20303203022131 is a wasteful number, since it uses less digits than its factorization.

20303203022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555269.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20303203022131 its reverse (13122030230302), we get a palindrome (33425233252433).

The spelling of 20303203022131 in words is "twenty trillion, three hundred three billion, two hundred three million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 29 45139 1309031 15510101 449792929 700110449039 20303203022131