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105943220953 is a prime number
BaseRepresentation
bin110001010101010110…
…1010100001011011001
3101010110100212020201021
41202222231110023121
53213432431032303
6120400350522441
710440241343203
oct1425255241331
9333410766637
10105943220953
1140a26205a59
1218648206421
139cb4bb862b
1451b04cd773
152b50da8ebd
hex18aab542d9

105943220953 has 2 divisors, whose sum is σ = 105943220954. Its totient is φ = 105943220952.

The previous prime is 105943220923. The next prime is 105943221011. The reversal of 105943220953 is 359022349501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95093290384 + 10849930569 = 308372^2 + 104163^2 .

It is an emirp because it is prime and its reverse (359022349501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105943220953 - 29 = 105943220441 is a prime.

It is a super-3 number, since 3×1059432209533 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (105943220923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52971610476 + 52971610477.

It is an arithmetic number, because the mean of its divisors is an integer number (52971610477).

Almost surely, 2105943220953 is an apocalyptic number.

It is an amenable number.

105943220953 is a deficient number, since it is larger than the sum of its proper divisors (1).

105943220953 is an equidigital number, since it uses as much as digits as its factorization.

105943220953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 105943220953 in words is "one hundred five billion, nine hundred forty-three million, two hundred twenty thousand, nine hundred fifty-three".