Search a number
-
+
1312423342 = 23181206291
BaseRepresentation
bin100111000111001…
…1111110110101110
310101110120000100221
41032032133312232
510141440021332
6334121441554
744344262056
oct11616376656
93343500327
101312423342
1161391309a
123076402ba
1317bb97879
14c6436566
157a346297
hex4e39fdae

1312423342 has 8 divisors (see below), whose sum is σ = 1969263432. Its totient is φ = 656002200.

The previous prime is 1312423327. The next prime is 1312423349. The reversal of 1312423342 is 2433242131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312423349) 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, 96784 + ... + 109507.

It is an arithmetic number, because the mean of its divisors is an integer number (246157929).

Almost surely, 21312423342 is an apocalyptic number.

1312423342 is a deficient number, since it is larger than the sum of its proper divisors (656840090).

1312423342 is a wasteful number, since it uses less digits than its factorization.

1312423342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209474.

The product of its digits is 3456, while the sum is 25.

The square root of 1312423342 is about 36227.3838691121. The cubic root of 1312423342 is about 1094.8584686726.

Adding to 1312423342 its reverse (2433242131), we get a palindrome (3745665473).

The spelling of 1312423342 in words is "one billion, three hundred twelve million, four hundred twenty-three thousand, three hundred forty-two".

Divisors: 1 2 3181 6362 206291 412582 656211671 1312423342