Search a number
-
+
131222043412412 = 2232805510853103
BaseRepresentation
bin11101110101100010000011…
…010010001100011110111100
3122012121201000211021202212012
4131311202003102030132330
5114144420221103144122
61143030324033230352
736432323364263141
oct3565420322143674
9565551024252765
10131222043412412
11388a1a57611327
1212873864a023b8
13582b2549b1994
1424592761283c8
1510285be5da7e2
hex77588348c7bc

131222043412412 has 6 divisors (see below), whose sum is σ = 229638575971728. Its totient is φ = 65611021706204.

The previous prime is 131222043412409. The next prime is 131222043412417. The reversal of 131222043412412 is 214214340222131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222043412417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16402755426548 + ... + 16402755426555.

It is an arithmetic number, because the mean of its divisors is an integer number (38273095995288).

Almost surely, 2131222043412412 is an apocalyptic number.

It is an amenable number.

131222043412412 is a deficient number, since it is larger than the sum of its proper divisors (98416532559316).

131222043412412 is a wasteful number, since it uses less digits than its factorization.

131222043412412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32805510853107 (or 32805510853105 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 131222043412412 its reverse (214214340222131), we get a palindrome (345436383634543).

The spelling of 131222043412412 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, forty-three million, four hundred twelve thousand, four hundred twelve".

Divisors: 1 2 4 32805510853103 65611021706206 131222043412412