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13320244212420 = 2235613639410987
BaseRepresentation
bin1100000111010101110001…
…1011001011001011000100
31202011101212201111002201210
43001311130123023023010
53221214330004244140
644155122525251420
72543233032446355
oct301653433131304
952141781432653
1013320244212420
1142760a1666462
1215b1676a03b70
1375812a958c32
143409bba5dd2c
15181754250d80
hexc1d5c6cb2c4

13320244212420 has 48 divisors (see below), whose sum is σ = 37908104851008. Its totient is φ = 3493834546560.

The previous prime is 13320244212403. The next prime is 13320244212439. The reversal of 13320244212420 is 2421244202331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819701834 + ... + 1819709153.

It is an arithmetic number, because the mean of its divisors is an integer number (789752184396).

Almost surely, 213320244212420 is an apocalyptic number.

13320244212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320244212420 is an abundant number, since it is smaller than the sum of its proper divisors (24587860638588).

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

13320244212420 is a wasteful number, since it uses less digits than its factorization.

13320244212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639411060 (or 3639411058 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 13320244212420 its reverse (2421244202331), we get a palindrome (15741488414751).

The spelling of 13320244212420 in words is "thirteen trillion, three hundred twenty billion, two hundred forty-four million, two hundred twelve thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 3639410987 7278821974 10918232961 14557643948 18197054935 21836465922 36394109870 43672931844 54591164805 72788219740 109182329610 218364659220 222004070207 444008140414 666012210621 888016280828 1110020351035 1332024421242 2220040702070 2664048842484 3330061053105 4440081404140 6660122106210 13320244212420