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312440011 = 13237710111
BaseRepresentation
bin10010100111110…
…111010011001011
3210202220121010021
4102213313103023
51114441040021
651000401311
710512460552
oct2247672313
9722817107
10312440011
11150400894
1288776237
134c965160
142d6d0d99
151c669c41
hex129f74cb

312440011 has 8 divisors (see below), whose sum is σ = 336648704. Its totient is φ = 288256320.

The previous prime is 312439969. The next prime is 312440017. The reversal of 312440011 is 110044213.

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 312440011 - 221 = 310342859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25846 + ... + 35956.

It is an arithmetic number, because the mean of its divisors is an integer number (42081088).

Almost surely, 2312440011 is an apocalyptic number.

312440011 is a deficient number, since it is larger than the sum of its proper divisors (24208693).

312440011 is a wasteful number, since it uses less digits than its factorization.

312440011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 312440011 is about 17675.9727030792. The cubic root of 312440011 is about 678.5609786503.

Adding to 312440011 its reverse (110044213), we get a palindrome (422484224).

The spelling of 312440011 in words is "three hundred twelve million, four hundred forty thousand, eleven".

Divisors: 1 13 2377 10111 30901 131443 24033847 312440011