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1303051212 = 223427714519
BaseRepresentation
bin100110110101010…
…1111101111001100
310100210220212020000
41031222233233030
510132040114322
6333144524300
744201516061
oct11552575714
93323825200
101303051212
116095a1731
12304480690
13179c65a28
14c50b6c68
15795e43ac
hex4daafbcc

1303051212 has 60 divisors (see below), whose sum is σ = 3418966320. Its totient is φ = 432752544.

The previous prime is 1303051147. The next prime is 1303051213. The reversal of 1303051212 is 2121503031.

It is a super-2 number, since 2×13030512122 = 3395884922189337888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1303051213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82489 + ... + 97007.

It is an arithmetic number, because the mean of its divisors is an integer number (56982772).

Almost surely, 21303051212 is an apocalyptic number.

1303051212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303051212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709483160).

1303051212 is an abundant number, since it is smaller than the sum of its proper divisors (2115915108).

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

1303051212 is a wasteful number, since it uses less digits than its factorization.

1303051212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14812 (or 14801 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1303051212 is about 36097.8006532254. The cubic root of 1303051212 is about 1092.2460802745.

Adding to 1303051212 its reverse (2121503031), we get a palindrome (3424554243).

The spelling of 1303051212 in words is "one billion, three hundred three million, fifty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 277 324 554 831 1108 1662 2493 3324 4986 7479 9972 14519 14958 22437 29038 29916 43557 44874 58076 87114 89748 130671 174228 261342 392013 522684 784026 1176039 1568052 2352078 4021763 4704156 8043526 12065289 16087052 24130578 36195867 48261156 72391734 108587601 144783468 217175202 325762803 434350404 651525606 1303051212