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1343312887 = 7443433187
BaseRepresentation
bin101000000010001…
…0101001111110111
310110121200100212011
41100010111033313
510222342003022
6341143505051
745200654050
oct12004251767
93417610764
101343312887
1162a2a0944
12315a58187
131853c16c7
14ca597727
157cde8977
hex501153f7

1343312887 has 8 divisors (see below), whose sum is σ = 1538683776. Its totient is φ = 1148809272.

The previous prime is 1343312879. The next prime is 1343312899. The reversal of 1343312887 is 7882133431.

It is a happy number.

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 1343312887 - 23 = 1343312879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343312837) 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, 213493 + ... + 219694.

It is an arithmetic number, because the mean of its divisors is an integer number (192335472).

Almost surely, 21343312887 is an apocalyptic number.

1343312887 is a deficient number, since it is larger than the sum of its proper divisors (195370889).

1343312887 is an equidigital number, since it uses as much as digits as its factorization.

1343312887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433637.

The product of its digits is 96768, while the sum is 40.

The square root of 1343312887 is about 36651.2330897611. The cubic root of 1343312887 is about 1103.3815737455.

The spelling of 1343312887 in words is "one billion, three hundred forty-three million, three hundred twelve thousand, eight hundred eighty-seven".

Divisors: 1 7 443 3101 433187 3032309 191901841 1343312887