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118644007 is a prime number
BaseRepresentation
bin1110001001001…
…01110100100111
322021020201222111
413010211310213
5220333102012
615434541451
72640312616
oct704456447
9267221874
10118644007
1160a75aa9
1233897887
131b770971
1411a8587d
15a638ba7
hex7125d27

118644007 has 2 divisors, whose sum is σ = 118644008. Its totient is φ = 118644006.

The previous prime is 118643983. The next prime is 118644023. The reversal of 118644007 is 700446811.

It is a strong prime.

It is an emirp because it is prime and its reverse (700446811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118644007 - 219 = 118119719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118644007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118644067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59322003 + 59322004.

It is an arithmetic number, because the mean of its divisors is an integer number (59322004).

Almost surely, 2118644007 is an apocalyptic number.

118644007 is a deficient number, since it is larger than the sum of its proper divisors (1).

118644007 is an equidigital number, since it uses as much as digits as its factorization.

118644007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 118644007 is about 10892.3829807807. The cubic root of 118644007 is about 491.3775024877.

The spelling of 118644007 in words is "one hundred eighteen million, six hundred forty-four thousand, seven".