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105151513 is a prime number
BaseRepresentation
bin1100100010001…
…11110000011001
321022212020202111
412101013300121
5203404322023
614233432321
72414526115
oct621076031
9238766674
10105151513
115439a985
122b26b6a1
1318a2853c
14dd72745
15937100d
hex6447c19

105151513 has 2 divisors, whose sum is σ = 105151514. Its totient is φ = 105151512.

The previous prime is 105151507. The next prime is 105151531. The reversal of 105151513 is 315151501.

Together with next prime (105151531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53699584 + 51451929 = 7328^2 + 7173^2 .

It is a cyclic number.

It is not a de Polignac number, because 105151513 - 25 = 105151481 is a prime.

It is a super-2 number, since 2×1051515132 = 22113681372378338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105151573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52575756 + 52575757.

It is an arithmetic number, because the mean of its divisors is an integer number (52575757).

Almost surely, 2105151513 is an apocalyptic number.

It is an amenable number.

105151513 is a deficient number, since it is larger than the sum of its proper divisors (1).

105151513 is an equidigital number, since it uses as much as digits as its factorization.

105151513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 105151513 is about 10254.3411782523. The cubic root of 105151513 is about 471.9962070580.

The spelling of 105151513 in words is "one hundred five million, one hundred fifty-one thousand, five hundred thirteen".