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1311006412 = 222903112901
BaseRepresentation
bin100111000100100…
…0101111011001100
310101100220000201001
41032021011323030
510141104201122
6334031230044
744326241062
oct11611057314
93340800631
101311006412
11613035581
12307078324
1317b7bc951
14c6188032
157a166527
hex4e245ecc

1311006412 has 12 divisors (see below), whose sum is σ = 2295071856. Its totient is φ = 655271600.

The previous prime is 1311006407. The next prime is 1311006413. The reversal of 1311006412 is 2146001131.

It is a super-2 number, since 2×13110064122 = 3437475624610227488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1311006412.

It is not an unprimeable number, because it can be changed into a prime (1311006413) 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, 44839 + ... + 68062.

It is an arithmetic number, because the mean of its divisors is an integer number (191255988).

Almost surely, 21311006412 is an apocalyptic number.

It is an amenable number.

1311006412 is a deficient number, since it is larger than the sum of its proper divisors (984065444).

1311006412 is a wasteful number, since it uses less digits than its factorization.

1311006412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115808 (or 115806 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1311006412 is about 36207.8225249738. The cubic root of 1311006412 is about 1094.4643132237.

Adding to 1311006412 its reverse (2146001131), we get a palindrome (3457007543).

The spelling of 1311006412 in words is "one billion, three hundred eleven million, six thousand, four hundred twelve".

Divisors: 1 2 4 2903 5806 11612 112901 225802 451604 327751603 655503206 1311006412