Search a number
-
+
2005351332231 = 313297144955619
BaseRepresentation
bin11101001011101000010…
…000001111100110000111
321002201011101022200202010
4131023220100033212013
5230323424420112411
64133125022345303
7264611322035532
oct35135020174607
97081141280663
102005351332231
11703512602a05
1228479812b233
13117147124650
146d0b9487a19
153726cbd27a6
hex1d2e840f987

2005351332231 has 64 divisors (see below), whose sum is σ = 3027507840000. Its totient is φ = 1172089282560.

The previous prime is 2005351332157. The next prime is 2005351332263. The reversal of 2005351332231 is 1322331535002.

It is a happy number.

It is not a de Polignac number, because 2005351332231 - 226 = 2005284223367 is a prime.

It is a super-2 number, since 2×20053513322312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005351332331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36027340 + ... + 36082958.

It is an arithmetic number, because the mean of its divisors is an integer number (47304810000).

Almost surely, 22005351332231 is an apocalyptic number.

2005351332231 is a deficient number, since it is larger than the sum of its proper divisors (1022156507769).

2005351332231 is a wasteful number, since it uses less digits than its factorization.

2005351332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56184.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 2005351332231 its reverse (1322331535002), we get a palindrome (3327682867233).

The spelling of 2005351332231 in words is "two trillion, five billion, three hundred fifty-one million, three hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 13 29 39 71 87 213 377 449 923 1131 1347 2059 2769 5837 6177 13021 17511 26767 31879 39063 55619 80301 95637 166857 169273 414427 507819 723047 924491 1243281 1612951 2169141 2773473 3948949 4838853 11846847 12018383 20968363 24972931 36055149 51336337 62905089 74918793 114519521 154009011 324648103 343558563 724214999 973944309 1488753773 1773078101 2172644997 4466261319 5319234303 9414794987 23050015313 28244384961 51419264929 69150045939 154257794787 668450444077 2005351332231