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1300241993 is a prime number
BaseRepresentation
bin100110110000000…
…0001111001001001
310100121122010200212
41031200001321021
510130330220433
6333004410505
744135605661
oct11540017111
93317563625
101300241993
11607a53066
12303546a35
131794c117b
14c49851a1
157923bd48
hex4d801e49

1300241993 has 2 divisors, whose sum is σ = 1300241994. Its totient is φ = 1300241992.

The previous prime is 1300241963. The next prime is 1300242037. The reversal of 1300241993 is 3991420031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 838507849 + 461734144 = 28957^2 + 21488^2 .

It is an emirp because it is prime and its reverse (3991420031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1300241993 - 210 = 1300240969 is a prime.

It is a super-2 number, since 2×13002419932 = 3381258480721224098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1300241903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650120996 + 650120997.

It is an arithmetic number, because the mean of its divisors is an integer number (650120997).

Almost surely, 21300241993 is an apocalyptic number.

It is an amenable number.

1300241993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300241993 is an equidigital number, since it uses as much as digits as its factorization.

1300241993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1300241993 is about 36058.8684375980. The cubic root of 1300241993 is about 1091.4605992282.

The spelling of 1300241993 in words is "one billion, three hundred million, two hundred forty-one thousand, nine hundred ninety-three".