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20001302030311 = 72857328861473
BaseRepresentation
bin1001000110000111010101…
…00000001010011111100111
32121211002212010110111110121
410203003222200022133213
510110200131304432221
6110312245445102411
74133021624056420
oct443035240123747
977732763414417
1020001302030311
116411560621748
1222b04776b7a07
13b21164c7cb84
144d20d514a647
1524a42e327a41
hex1230ea80a7e7

20001302030311 has 4 divisors (see below), whose sum is σ = 22858630891792. Its totient is φ = 17143973168832.

The previous prime is 20001302030287. The next prime is 20001302030327. The reversal of 20001302030311 is 11303020310002.

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-20001302030311 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 (20001302036311) 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, 1428664430730 + ... + 1428664430743.

It is an arithmetic number, because the mean of its divisors is an integer number (5714657722948).

Almost surely, 220001302030311 is an apocalyptic number.

20001302030311 is a deficient number, since it is larger than the sum of its proper divisors (2857328861481).

20001302030311 is an equidigital number, since it uses as much as digits as its factorization.

20001302030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857328861480.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20001302030311 its reverse (11303020310002), we get a palindrome (31304322340313).

The spelling of 20001302030311 in words is "twenty trillion, one billion, three hundred two million, thirty thousand, three hundred eleven".

Divisors: 1 7 2857328861473 20001302030311