Search a number
-
+
20132020311 = 313516205649
BaseRepresentation
bin10010101111111101…
…100100000001010111
31220222000221121001220
4102233331210001113
5312212244122221
613125403021423
71311614230524
oct225775440127
956860847056
1020132020311
1185a1000917
123a9a20a873
131b8ab4cb70
14d8da5014b
157cc6480c6
hex4aff64057

20132020311 has 8 divisors (see below), whose sum is σ = 28907516400. Its totient is φ = 12388935552.

The previous prime is 20132020289. The next prime is 20132020339. The reversal of 20132020311 is 11302023102.

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

It is not a de Polignac number, because 20132020311 - 29 = 20132019799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132020511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258102786 + ... + 258102863.

It is an arithmetic number, because the mean of its divisors is an integer number (3613439550).

Almost surely, 220132020311 is an apocalyptic number.

20132020311 is a deficient number, since it is larger than the sum of its proper divisors (8775496089).

20132020311 is a wasteful number, since it uses less digits than its factorization.

20132020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516205665.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20132020311 its reverse (11302023102), we get a palindrome (31434043413).

The spelling of 20132020311 in words is "twenty billion, one hundred thirty-two million, twenty thousand, three hundred eleven".

Divisors: 1 3 13 39 516205649 1548616947 6710673437 20132020311