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1456503109 is a prime number
BaseRepresentation
bin101011011010000…
…0111100101000101
310202111200000122121
41112310013211011
510440331044414
6400305525541
751044033515
oct12664074505
93674600577
101456503109
11688181386
123479438b1
131a29a2b79
14db61d845
1587d06724
hex56d07945

1456503109 has 2 divisors, whose sum is σ = 1456503110. Its totient is φ = 1456503108.

The previous prime is 1456503049. The next prime is 1456503127. The reversal of 1456503109 is 9013056541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1217800609 + 238702500 = 34897^2 + 15450^2 .

It is an emirp because it is prime and its reverse (9013056541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1456503109 - 217 = 1456372037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456503179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728251554 + 728251555.

It is an arithmetic number, because the mean of its divisors is an integer number (728251555).

Almost surely, 21456503109 is an apocalyptic number.

It is an amenable number.

1456503109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456503109 is an equidigital number, since it uses as much as digits as its factorization.

1456503109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1456503109 is about 38164.1600064773. The cubic root of 1456503109 is about 1133.5407534913.

The spelling of 1456503109 in words is "one billion, four hundred fifty-six million, five hundred three thousand, one hundred nine".