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312356113 = 1721080817
BaseRepresentation
bin10010100111100…
…010110100010001
3210202202100000221
4102213202310101
51114430343423
650554513041
710511661136
oct2247426421
9722670027
10312356113
11150353853
1288735781
134c935c04
142d6ac58d
151c64ee5d
hex129e2d11

312356113 has 6 divisors (see below), whose sum is σ = 331811126. Its totient is φ = 293981952.

The previous prime is 312356087. The next prime is 312356167. The reversal of 312356113 is 311653213.

It can be written as a sum of positive squares in 3 ways, for example, as 233998209 + 78357904 = 15297^2 + 8852^2 .

It is not a de Polignac number, because 312356113 - 217 = 312225041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312356413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540120 + ... + 540697.

Almost surely, 2312356113 is an apocalyptic number.

It is an amenable number.

312356113 is a deficient number, since it is larger than the sum of its proper divisors (19455013).

312356113 is a wasteful number, since it uses less digits than its factorization.

312356113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080851 (or 1080834 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 312356113 is about 17673.5993221528. The cubic root of 312356113 is about 678.5002363174.

The spelling of 312356113 in words is "three hundred twelve million, three hundred fifty-six thousand, one hundred thirteen".

Divisors: 1 17 289 1080817 18373889 312356113