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1380288799 is a prime number
BaseRepresentation
bin101001001000101…
…1000100100011111
310120012020221021101
41102101120210133
510311323220144
6344544213531
746130155411
oct12221304437
93505227241
101380288799
1164915644a
1232630a2a7
1318cc69946
14d14609b1
158129e6d4
hex5245891f

1380288799 has 2 divisors, whose sum is σ = 1380288800. Its totient is φ = 1380288798.

The previous prime is 1380288797. The next prime is 1380288851. The reversal of 1380288799 is 9978820831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380288799 - 21 = 1380288797 is a prime.

Together with 1380288797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380288797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690144399 + 690144400.

It is an arithmetic number, because the mean of its divisors is an integer number (690144400).

Almost surely, 21380288799 is an apocalyptic number.

1380288799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380288799 is an equidigital number, since it uses as much as digits as its factorization.

1380288799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 1380288799 is about 37152.2381425399. The cubic root of 1380288799 is about 1113.4139404528.

The spelling of 1380288799 in words is "one billion, three hundred eighty million, two hundred eighty-eight thousand, seven hundred ninety-nine".