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1347071149 = 3931342679
BaseRepresentation
bin101000001001010…
…1010110010101101
310110212202022020001
41100102222302231
510224322234044
6341400224301
745244626064
oct12022526255
93425668201
101347071149
11631428546
1231716b091
13186109228
14cac951db
157d3dc2d4
hex504aacad

1347071149 has 4 divisors (see below), whose sum is σ = 1347417760. Its totient is φ = 1346724540.

The previous prime is 1347071087. The next prime is 1347071171. The reversal of 1347071149 is 9411707431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1347071149 - 27 = 1347071021 is a prime.

It is a super-3 number, since 3×13470711493 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347071249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167409 + ... + 175270.

It is an arithmetic number, because the mean of its divisors is an integer number (336854440).

Almost surely, 21347071149 is an apocalyptic number.

It is an amenable number.

1347071149 is a deficient number, since it is larger than the sum of its proper divisors (346611).

1347071149 is an equidigital number, since it uses as much as digits as its factorization.

1347071149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346610.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1347071149 is about 36702.4678870509. The cubic root of 1347071149 is about 1104.4096131640.

The spelling of 1347071149 in words is "one billion, three hundred forty-seven million, seventy-one thousand, one hundred forty-nine".

Divisors: 1 3931 342679 1347071149