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3031091712 = 29331131643
BaseRepresentation
bin1011010010101010…
…1100101000000000
321211020112102011000
42310222230220000
522201424413322
61220434452000
7135053566035
oct26452545000
97736472130
103031091712
111315a77080
12707134000
13393c7c3bc
1420a7bb38c
1512b1863ac
hexb4aaca00

3031091712 has 320 divisors, whose sum is σ = 10119352320. Its totient is φ = 887500800.

The previous prime is 3031091699. The next prime is 3031091737. The reversal of 3031091712 is 2171901303.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4713663 + ... + 4714305.

It is an arithmetic number, because the mean of its divisors is an integer number (31622976).

Almost surely, 23031091712 is an apocalyptic number.

3031091712 is a gapful number since it is divisible by the number (32) 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 3031091712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5059676160).

3031091712 is an abundant number, since it is smaller than the sum of its proper divisors (7088260608).

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

3031091712 is a wasteful number, since it uses less digits than its factorization.

3031091712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 3031091712 is about 55055.3513475302. The cubic root of 3031091712 is about 1447.2149015679.

The spelling of 3031091712 in words is "three billion, thirty-one million, ninety-one thousand, seven hundred twelve".