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1143223319 = 71031158407
BaseRepresentation
bin100010000100100…
…0011010000010111
32221200011202120102
41010021003100113
54320131121234
6305235124315
740221144410
oct10411032027
92850152512
101143223319
11537357667
1227aa4369b
13152b05704
14abb90807
156a572c7e
hex44243417

1143223319 has 8 divisors (see below), whose sum is σ = 1307816448. Its totient is φ = 978949080.

The previous prime is 1143223313. The next prime is 1143223339. The reversal of 1143223319 is 9133223411.

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 1143223319 - 28 = 1143223063 is a prime.

It is a super-3 number, since 3×11432233193 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143223291 and 1143223300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143223313) 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, 71987 + ... + 86420.

It is an arithmetic number, because the mean of its divisors is an integer number (163477056).

Almost surely, 21143223319 is an apocalyptic number.

1143223319 is a deficient number, since it is larger than the sum of its proper divisors (164593129).

1143223319 is a wasteful number, since it uses less digits than its factorization.

1143223319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159445.

The product of its digits is 3888, while the sum is 29.

The square root of 1143223319 is about 33811.5855735871. The cubic root of 1143223319 is about 1045.6275677634.

The spelling of 1143223319 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, three hundred nineteen".

Divisors: 1 7 1031 7217 158407 1108849 163317617 1143223319