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107288826989 = 822611304249
BaseRepresentation
bin110001111101011101…
…0011001010001101101
3101020221010212010011212
41203322322121101231
53224211414430424
6121142055524205
710515500660651
oct1437272312155
9336833763155
10107288826989
1141556822763
1218962989665
13a16a900a16
14529b0c2a61
152bce0a710e
hex18fae9946d

107288826989 has 4 divisors (see below), whose sum is σ = 107290213500. Its totient is φ = 107287440480.

The previous prime is 107288826977. The next prime is 107288827027. The reversal of 107288826989 is 989628882701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40767648100 + 66521178889 = 201910^2 + 257917^2 .

It is a cyclic number.

It is not a de Polignac number, because 107288826989 - 232 = 102993859693 is a prime.

It is a super-2 number, since 2×1072888269892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107288826929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569864 + ... + 734385.

It is an arithmetic number, because the mean of its divisors is an integer number (26822553375).

Almost surely, 2107288826989 is an apocalyptic number.

It is an amenable number.

107288826989 is a deficient number, since it is larger than the sum of its proper divisors (1386511).

107288826989 is an equidigital number, since it uses as much as digits as its factorization.

107288826989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386510.

The product of its (nonzero) digits is 55738368, while the sum is 68.

The spelling of 107288826989 in words is "one hundred seven billion, two hundred eighty-eight million, eight hundred twenty-six thousand, nine hundred eighty-nine".

Divisors: 1 82261 1304249 107288826989