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20010212132303 = 29690007314907
BaseRepresentation
bin1001000110010111111011…
…00101100000010111001111
32121211221212002101120121002
410203023331211200113033
510110321403301213203
6110320321535330515
74133455465511231
oct443137545402717
977757762346532
1020010212132303
1164153130a11a8
1222b2143680a3b
13b21c54c15783
144d26dc640251
1524a7a1697d88
hex1232fd9605cf

20010212132303 has 4 divisors (see below), whose sum is σ = 20700219447240. Its totient is φ = 19320204817368.

The previous prime is 20010212132297. The next prime is 20010212132311. The reversal of 20010212132303 is 30323121201002.

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

It is a cyclic number.

It is not a de Polignac number, because 20010212132303 - 232 = 20005917165007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010212132353) 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, 345003657425 + ... + 345003657482.

It is an arithmetic number, because the mean of its divisors is an integer number (5175054861810).

Almost surely, 220010212132303 is an apocalyptic number.

20010212132303 is a deficient number, since it is larger than the sum of its proper divisors (690007314937).

20010212132303 is an equidigital number, since it uses as much as digits as its factorization.

20010212132303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690007314936.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20010212132303 its reverse (30323121201002), we get a palindrome (50333333333305).

The spelling of 20010212132303 in words is "twenty trillion, ten billion, two hundred twelve million, one hundred thirty-two thousand, three hundred three".

Divisors: 1 29 690007314907 20010212132303