Search a number
-
+
1311310412 = 226111634621
BaseRepresentation
bin100111000101001…
…0000001001001100
310101101110110201022
41032022100021030
510141143413122
6334041533312
744331645266
oct11612201114
93341413638
101311310412
11613222a15
123071a4238
1317b898129
14c6226b36
157a1c6642
hex4e29024c

1311310412 has 24 divisors (see below), whose sum is σ = 2334923472. Its totient is φ = 644212800.

The previous prime is 1311310397. The next prime is 1311310457. The reversal of 1311310412 is 2140131131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281462 + ... + 286082.

It is an arithmetic number, because the mean of its divisors is an integer number (97288478).

Almost surely, 21311310412 is an apocalyptic number.

It is an amenable number.

1311310412 is a deficient number, since it is larger than the sum of its proper divisors (1023613060).

1311310412 is a wasteful number, since it uses less digits than its factorization.

1311310412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849 (or 5847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1311310412 is about 36212.0202695182. The cubic root of 1311310412 is about 1094.5489025474.

Adding to 1311310412 its reverse (2140131131), we get a palindrome (3451441543).

The spelling of 1311310412 in words is "one billion, three hundred eleven million, three hundred ten thousand, four hundred twelve".

Divisors: 1 2 4 61 122 244 1163 2326 4621 4652 9242 18484 70943 141886 281881 283772 563762 1127524 5374223 10748446 21496892 327827603 655655206 1311310412