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1154145313 = 23211237821
BaseRepresentation
bin100010011001010…
…1101110000100001
32222102201122201201
41010302231300201
54330430122223
6310305201201
740413034066
oct10462556041
92872648651
101154145313
11542537502
12282630201
1315515ab29
14ad3d4c6d
156b4cdead
hex44cadc21

1154145313 has 8 divisors (see below), whose sum is σ = 1210038336. Its totient is φ = 1098728400.

The previous prime is 1154145287. The next prime is 1154145319. The reversal of 1154145313 is 3135414511.

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

It is not a de Polignac number, because 1154145313 - 225 = 1120590881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154145319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114058 + ... + 123763.

It is an arithmetic number, because the mean of its divisors is an integer number (151254792).

Almost surely, 21154145313 is an apocalyptic number.

It is an amenable number.

1154145313 is a deficient number, since it is larger than the sum of its proper divisors (55893023).

1154145313 is a wasteful number, since it uses less digits than its factorization.

1154145313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238055.

The product of its digits is 3600, while the sum is 28.

The square root of 1154145313 is about 33972.7142424623. The cubic root of 1154145313 is about 1048.9468845514.

Adding to 1154145313 its reverse (3135414511), we get a palindrome (4289559824).

The spelling of 1154145313 in words is "one billion, one hundred fifty-four million, one hundred forty-five thousand, three hundred thirteen".

Divisors: 1 23 211 4853 237821 5469883 50180231 1154145313