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20122100110003 = 21121952705843
BaseRepresentation
bin1001001001101000010101…
…01000010001001010110011
32122020122122202100202111011
410210310022220101022303
510114140030112010003
6110443544251131351
74144526253566653
oct444641250211263
978218582322434
1020122100110003
116458809a25961
12230b96a743b57
13b2c6765c7038
144d7cb447c363
1524d64e3c646d
hex124d0aa112b3

20122100110003 has 4 divisors (see below), whose sum is σ = 20123052836968. Its totient is φ = 20121147383040.

The previous prime is 20122100109989. The next prime is 20122100110069. The reversal of 20122100110003 is 30001100122102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20122100110003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122100110703) 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, 476331801 + ... + 476374042.

It is an arithmetic number, because the mean of its divisors is an integer number (5030763209242).

Almost surely, 220122100110003 is an apocalyptic number.

20122100110003 is a deficient number, since it is larger than the sum of its proper divisors (952726965).

20122100110003 is an equidigital number, since it uses as much as digits as its factorization.

20122100110003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952726964.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20122100110003 its reverse (30001100122102), we get a palindrome (50123200232105).

The spelling of 20122100110003 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, one hundred ten thousand, three".

Divisors: 1 21121 952705843 20122100110003