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109688575401 = 3229420262741
BaseRepresentation
bin110011000100111110…
…0101101010110101001
3101111010101101222010200
41212021330231112221
53244120233403101
6122220142502413
710632120336006
oct1461174552651
9344111358120
10109688575401
1142578383209
1219312594a09
13a460b2bcb2
145447ab88ad
152cbeacd986
hex1989f2d5a9

109688575401 has 12 divisors (see below), whose sum is σ = 163902469380. Its totient is φ = 70604140320.

The previous prime is 109688575393. The next prime is 109688575417. The reversal of 109688575401 is 104575886901.

It is a happy number.

109688575401 is a `hidden beast` number, since 1 + 0 + 9 + 68 + 8 + 575 + 4 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39662714025 + 70025861376 = 199155^2 + 264624^2 .

It is not a de Polignac number, because 109688575401 - 23 = 109688575393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109688575471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210131110 + ... + 210131631.

It is an arithmetic number, because the mean of its divisors is an integer number (13658539115).

Almost surely, 2109688575401 is an apocalyptic number.

It is an amenable number.

109688575401 is a deficient number, since it is larger than the sum of its proper divisors (54213893979).

109688575401 is a wasteful number, since it uses less digits than its factorization.

109688575401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420262776 (or 420262773 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 109688575401 in words is "one hundred nine billion, six hundred eighty-eight million, five hundred seventy-five thousand, four hundred one".

Divisors: 1 3 9 29 87 261 420262741 1260788223 3782364669 12187619489 36562858467 109688575401