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105530345213 is a prime number
BaseRepresentation
bin110001001001000011…
…0010100011011111101
3101002101120221222200012
41202102012110123331
53212111232021323
6120251401313005
710424066063636
oct1422206243375
9332346858605
10105530345213
1140834146337
1218551a95765
139c4a4b9567
14517173688d
152b29a00678
hex18921946fd

105530345213 has 2 divisors, whose sum is σ = 105530345214. Its totient is φ = 105530345212.

The previous prime is 105530345177. The next prime is 105530345227. The reversal of 105530345213 is 312543035501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81597636409 + 23932708804 = 285653^2 + 154702^2 .

It is a cyclic number.

It is not a de Polignac number, because 105530345213 - 214 = 105530328829 is a prime.

It is a super-2 number, since 2×1055303452132 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105530345213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105530345113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52765172606 + 52765172607.

It is an arithmetic number, because the mean of its divisors is an integer number (52765172607).

Almost surely, 2105530345213 is an apocalyptic number.

It is an amenable number.

105530345213 is a deficient number, since it is larger than the sum of its proper divisors (1).

105530345213 is an equidigital number, since it uses as much as digits as its factorization.

105530345213 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 32.

The spelling of 105530345213 in words is "one hundred five billion, five hundred thirty million, three hundred forty-five thousand, two hundred thirteen".