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318011108688 = 2432713792771109
BaseRepresentation
bin1001010000010101111…
…00000110110101010000
31010101211202000011000200
410220022330012311100
520202241320434223
6402031533415200
731655416552320
oct4501274066520
91111752004020
10318011108688
1111295aa86899
125177133a500
1323cb044b580
141156b221280
158413a0da43
hex4a0af06d50

318011108688 has 480 divisors, whose sum is σ = 1114245350400. Its totient is φ = 82436050944.

The previous prime is 318011108683. The next prime is 318011108731. The reversal of 318011108688 is 886801110813.

It is a super-2 number, since 2×3180111086882 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318011108683) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 286754278 + ... + 286755386.

It is an arithmetic number, because the mean of its divisors is an integer number (2321344480).

Almost surely, 2318011108688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318011108688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557122675200).

318011108688 is an abundant number, since it is smaller than the sum of its proper divisors (796234241712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318011108688 is a wasteful number, since it uses less digits than its factorization.

318011108688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The spelling of 318011108688 in words is "three hundred eighteen billion, eleven million, one hundred eight thousand, six hundred eighty-eight".