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118437862997 is a prime number
BaseRepresentation
bin110111001001101110…
…0100101111001010101
3102022201010201211101102
41232103130211321111
53420030043103442
6130224250235445
711362000140056
oct1562334457125
9368633654342
10118437862997
11462580a4503
121ab54725b85
13b22667a54c
145a37aaa72d
153132c85232
hex1b93725e55

118437862997 has 2 divisors, whose sum is σ = 118437862998. Its totient is φ = 118437862996.

The previous prime is 118437862993. The next prime is 118437863053. The reversal of 118437862997 is 799268734811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95452574116 + 22985288881 = 308954^2 + 151609^2 .

It is a cyclic number.

It is not a de Polignac number, because 118437862997 - 22 = 118437862993 is a prime.

It is a super-2 number, since 2×1184378629972 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118437862993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59218931498 + 59218931499.

It is an arithmetic number, because the mean of its divisors is an integer number (59218931499).

Almost surely, 2118437862997 is an apocalyptic number.

It is an amenable number.

118437862997 is a deficient number, since it is larger than the sum of its proper divisors (1).

118437862997 is an equidigital number, since it uses as much as digits as its factorization.

118437862997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 65.

The spelling of 118437862997 in words is "one hundred eighteen billion, four hundred thirty-seven million, eight hundred sixty-two thousand, nine hundred ninety-seven".