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1330373161 = 13137746981
BaseRepresentation
bin100111101001011…
…1110001000101001
310102201022221220001
41033102332020221
510211033420121
6340002303001
744652661645
oct11722761051
93381287801
101330373161
11622a63057
12311657a61
13182810a70
14c8989c25
157bbde991
hex4f4be229

1330373161 has 8 divisors (see below), whose sum is σ = 1443169224. Its totient is φ = 1219071360.

The previous prime is 1330373137. The next prime is 1330373183. The reversal of 1330373161 is 1613730331.

It can be written as a sum of positive squares in 4 ways, for example, as 157653136 + 1172720025 = 12556^2 + 34245^2 .

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

It is not a de Polignac number, because 1330373161 - 25 = 1330373129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330373761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371710 + ... + 375271.

It is an arithmetic number, because the mean of its divisors is an integer number (180396153).

Almost surely, 21330373161 is an apocalyptic number.

It is an amenable number.

1330373161 is a deficient number, since it is larger than the sum of its proper divisors (112796063).

1330373161 is a wasteful number, since it uses less digits than its factorization.

1330373161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747131.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 1330373161 is about 36474.2808153910. The cubic root of 1330373161 is about 1099.8272899643.

The spelling of 1330373161 in words is "one billion, three hundred thirty million, three hundred seventy-three thousand, one hundred sixty-one".

Divisors: 1 13 137 1781 746981 9710753 102336397 1330373161