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105605005006 = 21712671245129
BaseRepresentation
bin110001001011010001…
…1000111111011001110
3101002120210110002122201
41202112203013323032
53212234340130011
6120303025432114
710425663505654
oct1422643077316
9332523402581
10105605005006
11408722aa346
1218572a9b63a
139c5caca057
14517b60cdd4
152b3134bcc1
hex18968c7ece

105605005006 has 16 divisors (see below), whose sum is σ = 167739517440. Its totient is φ = 49692348160.

The previous prime is 105605004997. The next prime is 105605005019. The reversal of 105605005006 is 600500506501.

It is a super-2 number, since 2×1056050050062 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308250 + ... + 553378.

It is an arithmetic number, because the mean of its divisors is an integer number (10483719840).

Almost surely, 2105605005006 is an apocalyptic number.

105605005006 is a deficient number, since it is larger than the sum of its proper divisors (62134512434).

105605005006 is a wasteful number, since it uses less digits than its factorization.

105605005006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257819.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 105605005006 in words is "one hundred five billion, six hundred five million, five thousand, six".

Divisors: 1 2 17 34 12671 25342 215407 245129 430814 490258 4167193 8334386 3106029559 6212059118 52802502503 105605005006