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131051443224244 = 22617340193132049
BaseRepresentation
bin11101110011000011001010…
…101110000111111010110100
3122012000101200101221021100111
4131303003022232013322310
5114134121323431133434
61142420111335152404
736414103634513224
oct3563031256077264
9565011611837314
10131051443224244
1138836672217984
1212846793215704
1358181375c448a
142450cd089a084
151023e37236964
hex7730cab87eb4

131051443224244 has 24 divisors (see below), whose sum is σ = 229384621758600. Its totient is φ = 65512980578304.

The previous prime is 131051443224173. The next prime is 131051443224259. The reversal of 131051443224244 is 442422344150131.

It can be written as a sum of positive squares in 4 ways, for example, as 273464151844 + 130777979072400 = 522938^2 + 11435820^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131051443224197 and 131051443224206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992379532 + ... + 992511580.

It is an arithmetic number, because the mean of its divisors is an integer number (9557692573275).

Almost surely, 2131051443224244 is an apocalyptic number.

It is an amenable number.

131051443224244 is a deficient number, since it is larger than the sum of its proper divisors (98333178534356).

131051443224244 is a wasteful number, since it uses less digits than its factorization.

131051443224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178419 (or 178417 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 131051443224244 its reverse (442422344150131), we get a palindrome (573473787374375).

The spelling of 131051443224244 in words is "one hundred thirty-one trillion, fifty-one billion, four hundred forty-three million, two hundred twenty-four thousand, two hundred forty-four".

Divisors: 1 2 4 6173 12346 24692 40193 80386 132049 160772 264098 528196 248111389 496222778 815138477 992445556 1630276954 3260553908 5307445457 10614890914 21229781828 32762860806061 65525721612122 131051443224244