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1303130412 = 2232231573829
BaseRepresentation
bin100110110101100…
…0011000100101100
310100211001212212100
41031223003010230
510132100133122
6333150335100
744202266013
oct11553030454
93324055770
101303130412
11609646191
123044ba490
13179c92aac
14c50d7a7a
157960caac
hex4dac312c

1303130412 has 36 divisors (see below), whose sum is σ = 3437244720. Its totient is φ = 415490592.

The previous prime is 1303130377. The next prime is 1303130443. The reversal of 1303130412 is 2140313031.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786087 + ... + 787742.

It is an arithmetic number, because the mean of its divisors is an integer number (95479020).

Almost surely, 21303130412 is an apocalyptic number.

1303130412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303130412 is an abundant number, since it is smaller than the sum of its proper divisors (2134114308).

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

1303130412 is a wasteful number, since it uses less digits than its factorization.

1303130412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573862 (or 1573857 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1303130412 is about 36098.8976562997. The cubic root of 1303130412 is about 1092.2682088847.

Adding to 1303130412 its reverse (2140313031), we get a palindrome (3443443443).

The spelling of 1303130412 in words is "one billion, three hundred three million, one hundred thirty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 1573829 3147658 4721487 6295316 9442974 14164461 18885948 28328922 36198067 56657844 72396134 108594201 144792268 217188402 325782603 434376804 651565206 1303130412