Search a number
-
+
20310213213022 = 2312155731519597
BaseRepresentation
bin1001001111000110101110…
…00010110011101101011110
32122220122012200100111210211
410213203113002303231132
510130230304040304042
6111110214431523034
74164236005564435
oct447432702635536
978818180314724
1020310213213022
116520570966457
12234030938947a
13b44325032255
1450303b98411c
152534adebc017
hex1278d70b3b5e

20310213213022 has 16 divisors (see below), whose sum is σ = 31448238648192. Its totient is φ = 9827470467360.

The previous prime is 20310213213019. The next prime is 20310213213023. The reversal of 20310213213022 is 22031231201302.

It is a junction number, because it is equal to n+sod(n) for n = 20310213212984 and 20310213213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310213213023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12605728 + ... + 14125324.

It is an arithmetic number, because the mean of its divisors is an integer number (1965514915512).

Almost surely, 220310213213022 is an apocalyptic number.

20310213213022 is a deficient number, since it is larger than the sum of its proper divisors (11138025435170).

20310213213022 is a wasteful number, since it uses less digits than its factorization.

20310213213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735203.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20310213213022 its reverse (22031231201302), we get a palindrome (42341444414324).

The spelling of 20310213213022 in words is "twenty trillion, three hundred ten billion, two hundred thirteen million, two hundred thirteen thousand, twenty-two".

Divisors: 1 2 31 62 215573 431146 1519597 3039194 6682763 13365526 47107507 94215014 327584084081 655168168162 10155106606511 20310213213022