Search a number
-
+
20313134321433 = 319379631642637
BaseRepresentation
bin1001001111001100001010…
…01001111100111100011001
32122220220202020221012020020
410213212011021330330121
510130302244341241213
6111111420341221053
74164401255601462
oct447460511747431
978826666835206
1020313134321433
11652182a842438
1223409a3701789
13b4469c283a75
145032378d1d69
152535d067a923
hex12798527cf19

20313134321433 has 16 divisors (see below), whose sum is σ = 29280193619520. Its totient is φ = 12482608856256.

The previous prime is 20313134321423. The next prime is 20313134321527. The reversal of 20313134321433 is 33412343131302.

It is a happy number.

It is not a de Polignac number, because 20313134321433 - 226 = 20313067212569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20313134321394 and 20313134321403.

It is not an unprimeable number, because it can be changed into a prime (20313134321423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815819210 + ... + 4815823427.

It is an arithmetic number, because the mean of its divisors is an integer number (1830012101220).

Almost surely, 220313134321433 is an apocalyptic number.

It is an amenable number.

20313134321433 is a deficient number, since it is larger than the sum of its proper divisors (8967059298087).

20313134321433 is a wasteful number, since it uses less digits than its factorization.

20313134321433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9631642696.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 20313134321433 its reverse (33412343131302), we get a palindrome (53725477452735).

The spelling of 20313134321433 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-four million, three hundred twenty-one thousand, four hundred thirty-three".

Divisors: 1 3 19 37 57 111 703 2109 9631642637 28894927911 183001210103 356370777569 549003630309 1069112332707 6771044773811 20313134321433