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1305352330212 = 223758726473439
BaseRepresentation
bin10010111111101101000…
…011111101101111100100
311121210100020200222222110
4102333231003331233210
5132341330144031322
62435400502401020
7163210563506550
oct22775503755744
94553306628873
101305352330212
114636623a6097
12190b9ba30170
139612bc46a38
1447272362860
1523e4dc75c0c
hex12fed0fdbe4

1305352330212 has 48 divisors (see below), whose sum is σ = 3486869729280. Its totient is φ = 372322432032.

The previous prime is 1305352330211. The next prime is 1305352330241. The reversal of 1305352330212 is 2120332535031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1305352330212.

It is not an unprimeable number, because it can be changed into a prime (1305352330211) 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, 13187412 + ... + 13286027.

It is an arithmetic number, because the mean of its divisors is an integer number (72643119360).

Almost surely, 21305352330212 is an apocalyptic number.

1305352330212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305352330212 is an abundant number, since it is smaller than the sum of its proper divisors (2181517399068).

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

1305352330212 is a wasteful number, since it uses less digits than its factorization.

1305352330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26474040 (or 26474038 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 1305352330212 its reverse (2120332535031), we get a palindrome (3425684865243).

The spelling of 1305352330212 in words is "one trillion, three hundred five billion, three hundred fifty-two million, three hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 587 1174 1761 2348 3522 4109 7044 8218 12327 16436 24654 49308 26473439 52946878 79420317 105893756 158840634 185314073 317681268 370628146 555942219 741256292 1111884438 2223768876 15539908693 31079817386 46619726079 62159634772 93239452158 108779360851 186478904316 217558721702 326338082553 435117443404 652676165106 1305352330212