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131201404304444 = 22139381536184933
BaseRepresentation
bin11101110101001110110101…
…000110001111110000111100
3122012112201202110011110021222
4131311032311012033300330
5114144100434000220234
61143013032033412512
736430663051615535
oct3565166506176074
9565481673143258
10131201404304444
1138894226353001
121286b864a0a138
135829315a97966
142458278dd968c
151027cb26c942e
hex7753b518fc3c

131201404304444 has 24 divisors (see below), whose sum is σ = 231260372399280. Its totient is φ = 65127037083264.

The previous prime is 131201404304431. The next prime is 131201404304513. The reversal of 131201404304444 is 444403404102131.

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, 18120602 + ... + 24305534.

It is an arithmetic number, because the mean of its divisors is an integer number (9635848849970).

Almost surely, 2131201404304444 is an apocalyptic number.

It is an amenable number.

131201404304444 is a deficient number, since it is larger than the sum of its proper divisors (100058968094836).

131201404304444 is a wasteful number, since it uses less digits than its factorization.

131201404304444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223229 (or 6223227 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 131201404304444 its reverse (444403404102131), we get a palindrome (575604808406575).

The spelling of 131201404304444 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred four million, three hundred four thousand, four hundred forty-four".

Divisors: 1 2 4 139 278 556 38153 76306 152612 5303267 6184933 10606534 12369866 21213068 24739732 859705687 1719411374 3438822748 235973748749 471947497498 943894994996 32800351076111 65600702152222 131201404304444