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3316472640 = 263351329527
BaseRepresentation
bin1100010110101101…
…0101101101000000
322120010112021012000
43011223111231000
523243004111030
61305031304000
7145120360305
oct30553255500
98503467160
103316472640
111452075a88
1278681b000
1340b12c060
142366670ac
15146258860
hexc5ad5b40

3316472640 has 224 divisors, whose sum is σ = 12600188160. Its totient is φ = 816334848.

The previous prime is 3316472623. The next prime is 3316472641. The reversal of 3316472640 is 462746133.

It is a happy number.

3316472640 is a `hidden beast` number, since 3 + 3 + 1 + 6 + 4 + 7 + 2 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3316472595 and 3316472604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3316472641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97557 + ... + 127083.

It is an arithmetic number, because the mean of its divisors is an integer number (56250840).

Almost surely, 23316472640 is an apocalyptic number.

3316472640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3316472640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6300094080).

3316472640 is an abundant number, since it is smaller than the sum of its proper divisors (9283715520).

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

3316472640 is a wasteful number, since it uses less digits than its factorization.

3316472640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29566 (or 29550 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 3316472640 is about 57588.8239157564. The cubic root of 3316472640 is about 1491.2786705504.

The spelling of 3316472640 in words is "three billion, three hundred sixteen million, four hundred seventy-two thousand, six hundred forty".