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105563145637 is a prime number
BaseRepresentation
bin110001001010000001…
…1011100010110100101
3101002110212200102101201
41202110003130112211
53212143131130022
6120254532322501
710424644634665
oct1422403342645
9332425612351
10105563145637
1140850709824
1218560a73431
139c542320b1
145175c341a5
152b2c82e127
hex18940dc5a5

105563145637 has 2 divisors, whose sum is σ = 105563145638. Its totient is φ = 105563145636.

The previous prime is 105563145613. The next prime is 105563145641. The reversal of 105563145637 is 736541365501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67440973636 + 38122172001 = 259694^2 + 195249^2 .

It is a cyclic number.

It is not a de Polignac number, because 105563145637 - 215 = 105563112869 is a prime.

It is a super-2 number, since 2×1055631456372 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105567145637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52781572818 + 52781572819.

It is an arithmetic number, because the mean of its divisors is an integer number (52781572819).

Almost surely, 2105563145637 is an apocalyptic number.

It is an amenable number.

105563145637 is a deficient number, since it is larger than the sum of its proper divisors (1).

105563145637 is an equidigital number, since it uses as much as digits as its factorization.

105563145637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 105563145637 in words is "one hundred five billion, five hundred sixty-three million, one hundred forty-five thousand, six hundred thirty-seven".