Search a number
-
+
20313103030310 = 2511723511732681
BaseRepresentation
bin1001001111001100000110…
…10010100101100000100110
32122220220200002001102212202
410213212003102211200212
510130302213333432220
6111111413302414502
74164400425614636
oct447460322454046
978826602042782
1020313103030310
11652181410aa02
122340995131432
13b446959491cc
145032336a86c6
152535cca49275
hex1279834a5826

20313103030310 has 16 divisors (see below), whose sum is σ = 36563637745152. Its totient is φ = 8125229592000.

The previous prime is 20313103030309. The next prime is 20313103030397. The reversal of 20313103030310 is 1303030131302.

It is a super-2 number, since 2×203131030303102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 10857170 + ... + 12589850.

It is an arithmetic number, because the mean of its divisors is an integer number (2285227359072).

Almost surely, 220313103030310 is an apocalyptic number.

20313103030310 is a deficient number, since it is larger than the sum of its proper divisors (16250534714842).

20313103030310 is a wasteful number, since it uses less digits than its factorization.

20313103030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905039.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20313103030310 its reverse (1303030131302), we get a palindrome (21616133161612).

The spelling of 20313103030310 in words is "twenty trillion, three hundred thirteen billion, one hundred three million, thirty thousand, three hundred ten".

Divisors: 1 2 5 10 1172351 1732681 2344702 3465362 5861755 8663405 11723510 17326810 2031310303031 4062620606062 10156551515155 20313103030310