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1149118229 = 7164159747
BaseRepresentation
bin100010001111110…
…0010011100010101
32222002021020212102
41010133202130111
54323133240404
6310005331445
740322225630
oct10437423425
92862236772
101149118229
1153a713596
12280a06b85
131540ba91c
14ac886c17
156ad3971e
hex447e2715

1149118229 has 4 divisors (see below), whose sum is σ = 1313277984. Its totient is φ = 984958476.

The previous prime is 1149118177. The next prime is 1149118231. The reversal of 1149118229 is 9228119411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9228119411 = 71318302773.

It is a cyclic number.

It is not a de Polignac number, because 1149118229 - 224 = 1132341013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149118192 and 1149118201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149118259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82079867 + ... + 82079880.

It is an arithmetic number, because the mean of its divisors is an integer number (328319496).

Almost surely, 21149118229 is an apocalyptic number.

It is an amenable number.

1149118229 is a deficient number, since it is larger than the sum of its proper divisors (164159755).

1149118229 is an equidigital number, since it uses as much as digits as its factorization.

1149118229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164159754.

The product of its digits is 10368, while the sum is 38.

The square root of 1149118229 is about 33898.6464184044. The cubic root of 1149118229 is about 1047.4217101335.

The spelling of 1149118229 in words is "one billion, one hundred forty-nine million, one hundred eighteen thousand, two hundred twenty-nine".

Divisors: 1 7 164159747 1149118229