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10506142123 is a prime number
BaseRepresentation
bin10011100100011011…
…10000000110101011
31000010012011022120221
421302031300012223
5133004033021443
64454303030511
7521231506651
oct116215600653
930105138527
1010506142123
114501497094
12205259b437
13cb5813159
14719476dd1
1541753aeed
hex2723701ab

10506142123 has 2 divisors, whose sum is σ = 10506142124. Its totient is φ = 10506142122.

The previous prime is 10506142081. The next prime is 10506142159. The reversal of 10506142123 is 32124160501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10506142123 - 213 = 10506133931 is a prime.

It is a super-2 number, since 2×105061421232 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10506142523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253071061 + 5253071062.

It is an arithmetic number, because the mean of its divisors is an integer number (5253071062).

Almost surely, 210506142123 is an apocalyptic number.

10506142123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10506142123 is an equidigital number, since it uses as much as digits as its factorization.

10506142123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 10506142123 in words is "ten billion, five hundred six million, one hundred forty-two thousand, one hundred twenty-three".