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105700061 is a prime number
BaseRepresentation
bin1100100110011…
…01101011011101
321100220010020002
412103031223131
5204024400221
614253304045
72422302305
oct623155335
9240803202
10105700061
1154735025
122b495025
1318b8b11c
1410076605
15942d80b
hex64cdadd

105700061 has 2 divisors, whose sum is σ = 105700062. Its totient is φ = 105700060.

The previous prime is 105700051. The next prime is 105700079. The reversal of 105700061 is 160007501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 24068836 = 9035^2 + 4906^2 .

It is a cyclic number.

It is not a de Polignac number, because 105700061 - 210 = 105699037 is a prime.

It is a super-2 number, since 2×1057000612 = 22345005790807442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105700031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52850030 + 52850031.

It is an arithmetic number, because the mean of its divisors is an integer number (52850031).

Almost surely, 2105700061 is an apocalyptic number.

It is an amenable number.

105700061 is a deficient number, since it is larger than the sum of its proper divisors (1).

105700061 is an equidigital number, since it uses as much as digits as its factorization.

105700061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 105700061 is about 10281.0534966024. The cubic root of 105700061 is about 472.8155442915.

Adding to 105700061 its reverse (160007501), we get a palindrome (265707562).

The spelling of 105700061 in words is "one hundred five million, seven hundred thousand, sixty-one".