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105680104 = 2313210013
BaseRepresentation
bin1100100110010…
…00110011101000
321100212002211221
412103020303220
5204023230404
614253031424
72422160155
oct623106350
9240762757
10105680104
1154721032
122b485574
1318b8200a
141006d22c
159427954
hex64c8ce8

105680104 has 8 divisors (see below), whose sum is σ = 198150210. Its totient is φ = 52840048.

The previous prime is 105680087. The next prime is 105680123. The reversal of 105680104 is 401086501.

It can be written as a sum of positive squares in only one way, i.e., 95452900 + 10227204 = 9770^2 + 3198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1056801042 = 22336568762901632, which 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, 6604999 + ... + 6605014.

Almost surely, 2105680104 is an apocalyptic number.

It is an amenable number.

105680104 is a deficient number, since it is larger than the sum of its proper divisors (92470106).

105680104 is a wasteful number, since it uses less digits than its factorization.

105680104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13210019 (or 13210015 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 105680104 is about 10280.0828790433. The cubic root of 105680104 is about 472.7857853249.

The spelling of 105680104 in words is "one hundred five million, six hundred eighty thousand, one hundred four".

Divisors: 1 2 4 8 13210013 26420026 52840052 105680104