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15530130323 is a prime number
BaseRepresentation
bin11100111011010101…
…01111101110010011
31111002022200100202222
432131222233232103
5223301203132243
611045012331255
71056564633611
oct163552575623
944068610688
1015530130323
11664a398854
123015013b2b
131606620536
14a747c06b1
1560d630168
hex39daafb93

15530130323 has 2 divisors, whose sum is σ = 15530130324. Its totient is φ = 15530130322.

The previous prime is 15530130313. The next prime is 15530130337. The reversal of 15530130323 is 32303103551.

It is a weak prime.

It is an emirp because it is prime and its reverse (32303103551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15530130323 - 24 = 15530130307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15530130292 and 15530130301.

It is not a weakly prime, because it can be changed into another prime (15530130313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765065161 + 7765065162.

It is an arithmetic number, because the mean of its divisors is an integer number (7765065162).

Almost surely, 215530130323 is an apocalyptic number.

15530130323 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530130323 is an equidigital number, since it uses as much as digits as its factorization.

15530130323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 15530130323 its reverse (32303103551), we get a palindrome (47833233874).

The spelling of 15530130323 in words is "fifteen billion, five hundred thirty million, one hundred thirty thousand, three hundred twenty-three".