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1301320013 = 719231732459
BaseRepresentation
bin100110110010000…
…1001000101001101
310100200122220110112
41031210021011031
510131114220023
6333043445405
744151015620
oct11544110515
93320586415
101301320013
11608619a94
12303986865
131797aaa56
14c4b85db7
15793a1478
hex4d90914d

1301320013 has 32 divisors (see below), whose sum is σ = 1643673600. Its totient is φ = 1004515776.

The previous prime is 1301320003. The next prime is 1301320037. The reversal of 1301320013 is 3100231031.

It is a cyclic number.

It is not a de Polignac number, because 1301320013 - 210 = 1301318989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527978 + ... + 530436.

It is an arithmetic number, because the mean of its divisors is an integer number (51364800).

Almost surely, 21301320013 is an apocalyptic number.

It is an amenable number.

1301320013 is a deficient number, since it is larger than the sum of its proper divisors (342353587).

1301320013 is a wasteful number, since it uses less digits than its factorization.

1301320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1301320013 is about 36073.8133969781. The cubic root of 1301320013 is about 1091.7621562555.

Adding to 1301320013 its reverse (3100231031), we get a palindrome (4401551044).

The spelling of 1301320013 in words is "one billion, three hundred one million, three hundred twenty thousand, thirteen".

Divisors: 1 7 19 23 133 161 173 437 1211 2459 3059 3287 3979 17213 23009 27853 46721 56557 75601 327047 395899 425407 529207 1074583 2977849 7522081 8082733 9784361 56579131 68490527 185902859 1301320013