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105531538003 is a prime number
BaseRepresentation
bin110001001001000101…
…0110111101001010011
3101002101200012120212121
41202102022313221103
53212112033204003
6120251443035111
710424112162313
oct1422212675123
9332350176777
10105531538003
1140834890511
121855236ba97
139c4a816458
145171967443
152b29b88cbd
hex18922b7a53

105531538003 has 2 divisors, whose sum is σ = 105531538004. Its totient is φ = 105531538002.

The previous prime is 105531538001. The next prime is 105531538019. The reversal of 105531538003 is 300835135501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105531538003 - 21 = 105531538001 is a prime.

It is a super-2 number, since 2×1055315380032 (a number of 23 digits) contains 22 as substring.

Together with 105531538001, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 105531538003.

It is not a weakly prime, because it can be changed into another prime (105531538001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52765769001 + 52765769002.

It is an arithmetic number, because the mean of its divisors is an integer number (52765769002).

Almost surely, 2105531538003 is an apocalyptic number.

105531538003 is a deficient number, since it is larger than the sum of its proper divisors (1).

105531538003 is an equidigital number, since it uses as much as digits as its factorization.

105531538003 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 34.

The spelling of 105531538003 in words is "one hundred five billion, five hundred thirty-one million, five hundred thirty-eight thousand, three".