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10045531123 is a prime number
BaseRepresentation
bin10010101101100001…
…01010001111110011
3221221002102212002021
421112300222033303
5131033123443443
64340450332311
7503636414515
oct112660521763
927832385067
1010045531123
114295493241
121b4428a097
13c4126c774
146b4215bb5
153dbda39ed
hex256c2a3f3

10045531123 has 2 divisors, whose sum is σ = 10045531124. Its totient is φ = 10045531122.

The previous prime is 10045531109. The next prime is 10045531141. The reversal of 10045531123 is 32113554001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32113554001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10045531123 - 25 = 10045531091 is a prime.

It is a super-2 number, since 2×100455311232 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10045531163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5022765561 + 5022765562.

It is an arithmetic number, because the mean of its divisors is an integer number (5022765562).

Almost surely, 210045531123 is an apocalyptic number.

10045531123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10045531123 is an equidigital number, since it uses as much as digits as its factorization.

10045531123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 10045531123 in words is "ten billion, forty-five million, five hundred thirty-one thousand, one hundred twenty-three".