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316666888272 = 243271731596117
BaseRepresentation
bin1001001101110101101…
…00010100000001010000
31010021101001121200021100
410212322310110001100
520142013210411042
6401250314224400
731610205065340
oct4467264240120
91107331550240
10316666888272
11112330226129
1251457125100
1323b27acca87
14114808acd20
1583859d624c
hex49bad14050

316666888272 has 240 divisors, whose sum is σ = 1107005432832. Its totient is φ = 82407075840.

The previous prime is 316666888261. The next prime is 316666888273. The reversal of 316666888272 is 272888666613.

It is a super-2 number, since 2×3166668882722 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316666888273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233158 + ... + 829274.

Almost surely, 2316666888272 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 316666888272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553502716416).

316666888272 is an abundant number, since it is smaller than the sum of its proper divisors (790338544560).

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

316666888272 is a wasteful number, since it uses less digits than its factorization.

316666888272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596186 (or 596177 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 316666888272 in words is "three hundred sixteen billion, six hundred sixty-six million, eight hundred eighty-eight thousand, two hundred seventy-two".