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1330221142 = 21149157881
BaseRepresentation
bin100111101001001…
…1001000001010110
310102201001020100201
41033102121001112
510211014034032
6335555131114
744651456515
oct11722310126
93381036321
101330221142
11622969918
123115a3a9a
13182789803
14c894a67c
157bbae8e7
hex4f499056

1330221142 has 8 divisors (see below), whose sum is σ = 1995539832. Its totient is φ = 665041200.

The previous prime is 1330221127. The next prime is 1330221157. The reversal of 1330221142 is 2411220331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1330221127) and next prime (1330221157).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5959 + ... + 51922.

It is an arithmetic number, because the mean of its divisors is an integer number (249442479).

Almost surely, 21330221142 is an apocalyptic number.

1330221142 is a deficient number, since it is larger than the sum of its proper divisors (665318690).

1330221142 is a wasteful number, since it uses less digits than its factorization.

1330221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69374.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1330221142 is about 36472.1968353978. The cubic root of 1330221142 is about 1099.7853967024.

Adding to 1330221142 its reverse (2411220331), we get a palindrome (3741441473).

The spelling of 1330221142 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, one hundred forty-two".

Divisors: 1 2 11491 22982 57881 115762 665110571 1330221142