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118103472493 is a prime number
BaseRepresentation
bin110110111111110000…
…0111111100101101101
3102021211211112000211221
41231333200333211231
53413333442104433
6130131143143341
711350466644456
oct1557740774555
9367754460757
10118103472493
11460a6370a16
121aa80744b51
13b1a22cb246
145a0550412d
15311373172d
hex1b7f83f96d

118103472493 has 2 divisors, whose sum is σ = 118103472494. Its totient is φ = 118103472492.

The previous prime is 118103472481. The next prime is 118103472517. The reversal of 118103472493 is 394274301811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113802998409 + 4300474084 = 337347^2 + 65578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-118103472493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118103442493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59051736246 + 59051736247.

It is an arithmetic number, because the mean of its divisors is an integer number (59051736247).

Almost surely, 2118103472493 is an apocalyptic number.

It is an amenable number.

118103472493 is a deficient number, since it is larger than the sum of its proper divisors (1).

118103472493 is an equidigital number, since it uses as much as digits as its factorization.

118103472493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 118103472493 in words is "one hundred eighteen billion, one hundred three million, four hundred seventy-two thousand, four hundred ninety-three".