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15255130049 is a prime number
BaseRepresentation
bin11100011010100011…
…01100111111000001
31110101011012220022122
432031101230333001
5222220303130144
611001430214025
71050015315545
oct161521547701
943334186278
1015255130049
116519139aa5
122b58ab4315
131591666793
14a4a077a25
155e440d7ee
hex38d46cfc1

15255130049 has 2 divisors, whose sum is σ = 15255130050. Its totient is φ = 15255130048.

The previous prime is 15255130031. The next prime is 15255130057. The reversal of 15255130049 is 94003155251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9829334449 + 5425795600 = 99143^2 + 73660^2 .

It is a cyclic number.

It is not a de Polignac number, because 15255130049 - 232 = 10960162753 is a prime.

It is not a weakly prime, because it can be changed into another prime (15255150049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627565024 + 7627565025.

It is an arithmetic number, because the mean of its divisors is an integer number (7627565025).

Almost surely, 215255130049 is an apocalyptic number.

It is an amenable number.

15255130049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15255130049 is an equidigital number, since it uses as much as digits as its factorization.

15255130049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 15255130049 in words is "fifteen billion, two hundred fifty-five million, one hundred thirty thousand, forty-nine".