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312144313013 = 13199888713577
BaseRepresentation
bin1001000101011010100…
…00000011101010110101
31002211200212121001022222
410202231100003222311
520103232421004023
6355221435532125
731360140611621
oct4425520035265
91084625531288
10312144313013
1111041a366425
12505b45ba045
1323586b50940
1411171da8181
1581bd938cc8
hex48ad403ab5

312144313013 has 16 divisors (see below), whose sum is σ = 337907539200. Its totient is φ = 286631934336.

The previous prime is 312144313003. The next prime is 312144313021. The reversal of 312144313013 is 310313441213.

It is a cyclic number.

It is not a de Polignac number, because 312144313013 - 220 = 312143264437 is a prime.

It is a super-2 number, since 2×3121443130132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312144313003) 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 15 ways as a sum of consecutive naturals, for example, 22983881 + ... + 22997457.

It is an arithmetic number, because the mean of its divisors is an integer number (21119221200).

Almost surely, 2312144313013 is an apocalyptic number.

It is an amenable number.

312144313013 is a deficient number, since it is larger than the sum of its proper divisors (25763226187).

312144313013 is a wasteful number, since it uses less digits than its factorization.

312144313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22676.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 312144313013 its reverse (310313441213), we get a palindrome (622457754226).

The spelling of 312144313013 in words is "three hundred twelve billion, one hundred forty-four million, three hundred thirteen thousand, thirteen".

Divisors: 1 13 199 2587 8887 13577 115531 176501 1768513 2701823 22990669 35123699 120658799 1568564387 24011101001 312144313013