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1141818913 = 9716770487
BaseRepresentation
bin100010000001110…
…1100011000100001
32221120112102002101
41010003230120201
54314301201123
6305145050401
740203205054
oct10403543041
92846472071
101141818913
115365884a4
1227a486a01
131527333c1
14ab906a9b
156a396aad
hex440ec621

1141818913 has 8 divisors (see below), whose sum is σ = 1160514432. Its totient is φ = 1123264896.

The previous prime is 1141818907. The next prime is 1141818929. The reversal of 1141818913 is 3198181411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141818913 - 221 = 1139721761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141828913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19045 + ... + 51442.

It is an arithmetic number, because the mean of its divisors is an integer number (145064304).

Almost surely, 21141818913 is an apocalyptic number.

It is an amenable number.

1141818913 is a deficient number, since it is larger than the sum of its proper divisors (18695519).

1141818913 is an equidigital number, since it uses as much as digits as its factorization.

1141818913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70751.

The product of its digits is 6912, while the sum is 37.

The square root of 1141818913 is about 33790.8110734265. The cubic root of 1141818913 is about 1045.1992211921.

The spelling of 1141818913 in words is "one billion, one hundred forty-one million, eight hundred eighteen thousand, nine hundred thirteen".

Divisors: 1 97 167 16199 70487 6837239 11771329 1141818913