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1121323133 = 71947179383
BaseRepresentation
bin100001011010110…
…0000100001111101
32220010222010011102
41002311200201331
54244024320013
6303133502445
736534042440
oct10265404175
92803863142
101121323133
11525a59737
12273641a25
1314b408418
14a8ccd657
1568698d58
hex42d6087d

1121323133 has 16 divisors (see below), whose sum is σ = 1377669120. Its totient is φ = 891169776.

The previous prime is 1121323127. The next prime is 1121323139. The reversal of 1121323133 is 3313231211.

It is an interprime number because it is at equal distance from previous prime (1121323127) and next prime (1121323139).

It is not a de Polignac number, because 1121323133 - 28 = 1121322877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121323139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83441 + ... + 95942.

It is an arithmetic number, because the mean of its divisors is an integer number (86104320).

Almost surely, 21121323133 is an apocalyptic number.

It is an amenable number.

1121323133 is a deficient number, since it is larger than the sum of its proper divisors (256345987).

1121323133 is a wasteful number, since it uses less digits than its factorization.

1121323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179456.

The product of its digits is 324, while the sum is 20.

The square root of 1121323133 is about 33486.1633066555. The cubic root of 1121323133 is about 1038.9076094533.

Adding to 1121323133 its reverse (3313231211), we get a palindrome (4434554344).

The spelling of 1121323133 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty-three".

Divisors: 1 7 19 47 133 329 893 6251 179383 1255681 3408277 8431001 23857939 59017007 160189019 1121323133