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131201421334412 = 221113229373114221
BaseRepresentation
bin11101110101001110110110…
…000111001101011110001100
3122012112201210122012200000112
4131311032312013031132030
5114144101002330200122
61143013033442415152
736430663346434562
oct3565166607153614
9565481718180015
10131201421334412
1138894234a24960
121286b86a6614b8
13582931947b270
14245827b38da32
151027cb3e402e2
hex7753b61cd78c

131201421334412 has 24 divisors (see below), whose sum is σ = 269742782325072. Its totient is φ = 55049547412800.

The previous prime is 131201421334387. The next prime is 131201421334421. The reversal of 131201421334412 is 214433124102131.

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, 114686556539 + ... + 114686557682.

It is an arithmetic number, because the mean of its divisors is an integer number (11239282596878).

Almost surely, 2131201421334412 is an apocalyptic number.

It is an amenable number.

131201421334412 is an abundant number, since it is smaller than the sum of its proper divisors (138541360990660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131201421334412 is a wasteful number, since it uses less digits than its factorization.

131201421334412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229373114249 (or 229373114247 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 131201421334412 its reverse (214433124102131), we get a palindrome (345634545436543).

The spelling of 131201421334412 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, three hundred thirty-four thousand, four hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 229373114221 458746228442 917492456884 2523104256431 2981850484873 5046208512862 5963700969746 10092417025724 11927401939492 32800355333603 65600710667206 131201421334412