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105565000106 = 252782500053
BaseRepresentation
bin110001001010000101…
…0100001000110101010
3101002111000011122020202
41202110022201012222
53212144120000411
6120255040152202
710424666460416
oct1422412410652
9332430148222
10105565000106
1140851766045
1218561608662
139c54731207
145176197d46
152b2ca9883b
hex18942a11aa

105565000106 has 4 divisors (see below), whose sum is σ = 158347500162. Its totient is φ = 52782500052.

The previous prime is 105565000097. The next prime is 105565000109. The reversal of 105565000106 is 601000565501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601000565501 = 785857223643.

It can be written as a sum of positive squares in only one way, i.e., 104222437225 + 1342562881 = 322835^2 + 36641^2 .

It is a super-2 number, since 2×1055650001062 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105565000109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391250025 + ... + 26391250028.

Almost surely, 2105565000106 is an apocalyptic number.

105565000106 is a deficient number, since it is larger than the sum of its proper divisors (52782500056).

105565000106 is an equidigital number, since it uses as much as digits as its factorization.

105565000106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52782500055.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 105565000106 its reverse (601000565501), we get a palindrome (706565565607).

The spelling of 105565000106 in words is "one hundred five billion, five hundred sixty-five million, one hundred six", and thus it is an aban number.

Divisors: 1 2 52782500053 105565000106