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118980143 is a prime number
BaseRepresentation
bin1110001011101…
…11111000101111
322021212211001222
413011313320233
5220424331033
615450053555
72643212612
oct705677057
9267784058
10118980143
11611855a7
1233a1a2bb
131b85a969
1411b32179
15a6a3598
hex7177e2f

118980143 has 2 divisors, whose sum is σ = 118980144. Its totient is φ = 118980142.

The previous prime is 118980137. The next prime is 118980151. The reversal of 118980143 is 341089811.

It is a weak prime.

It is an emirp because it is prime and its reverse (341089811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118980143 - 218 = 118717999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118980163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59490071 + 59490072.

It is an arithmetic number, because the mean of its divisors is an integer number (59490072).

Almost surely, 2118980143 is an apocalyptic number.

118980143 is a deficient number, since it is larger than the sum of its proper divisors (1).

118980143 is an equidigital number, since it uses as much as digits as its factorization.

118980143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 118980143 is about 10907.8019325618. The cubic root of 118980143 is about 491.8411132902.

The spelling of 118980143 in words is "one hundred eighteen million, nine hundred eighty thousand, one hundred forty-three".