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12301213044 = 2233143376369
BaseRepresentation
bin10110111010011010…
…11001110101110100
31011202021220100222010
423131031121311310
5200143102304134
65352345404220
7613556404611
oct133515316564
934667810863
1012301213044
11524279447a
122473799670
1312106987b3
14849a29508
154bee1dce9
hex2dd359d74

12301213044 has 48 divisors (see below), whose sum is σ = 29697543680. Its totient is φ = 3958917120.

The previous prime is 12301213033. The next prime is 12301213049. The reversal of 12301213044 is 44031210321.

It is a self number, because there is not a number n which added to its sum of digits gives 12301213044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301213049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122892 + ... + 199260.

Almost surely, 212301213044 is an apocalyptic number.

It is an amenable number.

12301213044 is an abundant number, since it is smaller than the sum of its proper divisors (17396330636).

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

12301213044 is a wasteful number, since it uses less digits than its factorization.

12301213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76840 (or 76838 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12301213044 its reverse (44031210321), we get a palindrome (56332423365).

The spelling of 12301213044 in words is "twelve billion, three hundred one million, two hundred thirteen thousand, forty-four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 433 866 1299 1732 2598 5196 13423 26846 40269 53692 76369 80538 152738 161076 229107 305476 458214 916428 2367439 4734878 7102317 9469756 14204634 28409268 33067777 66135554 99203331 132271108 198406662 396813324 1025101087 2050202174 3075303261 4100404348 6150606522 12301213044