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105050105066 = 252525052533
BaseRepresentation
bin110000111010101111…
…0010110010011101010
3101001011010022021001002
41201311132112103222
53210120311330231
6120132004155002
710406145105614
oct1416536262352
9331133267032
10105050105066
1140608055855
1218439098a62
139ba1b624aa
145127a45db4
152aec78c0cb
hex18757964ea

105050105066 has 4 divisors (see below), whose sum is σ = 157575157602. Its totient is φ = 52525052532.

The previous prime is 105050105053. The next prime is 105050105117. The reversal of 105050105066 is 660501050501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660501050501 = 1610341017267.

It can be written as a sum of positive squares in only one way, i.e., 68655004441 + 36395100625 = 262021^2 + 190775^2 .

It is a super-2 number, since 2×1050501050662 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26262526265 + ... + 26262526268.

Almost surely, 2105050105066 is an apocalyptic number.

105050105066 is a deficient number, since it is larger than the sum of its proper divisors (52525052536).

105050105066 is an equidigital number, since it uses as much as digits as its factorization.

105050105066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52525052535.

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

Adding to 105050105066 its reverse (660501050501), we get a palindrome (765551155567).

The spelling of 105050105066 in words is "one hundred five billion, fifty million, one hundred five thousand, sixty-six".

Divisors: 1 2 52525052533 105050105066