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3097481688 = 2333721973211
BaseRepresentation
bin1011100010011111…
…1101000111011000
321222212110101002000
42320213331013120
522320423403223
61231205441000
7136521105600
oct27047750730
97885411060
103097481688
11134a4a1924
12725410160
133a4955a02
1421553dc00
15131dec543
hexb89fd1d8

3097481688 has 384 divisors, whose sum is σ = 10730592000. Its totient is φ = 823011840.

The previous prime is 3097481671. The next prime is 3097481741. The reversal of 3097481688 is 8861847903.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14679903 + ... + 14680113.

It is an arithmetic number, because the mean of its divisors is an integer number (27944250).

Almost surely, 23097481688 is an apocalyptic number.

3097481688 is a gapful number since it is divisible by the number (38) 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 3097481688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5365296000).

3097481688 is an abundant number, since it is smaller than the sum of its proper divisors (7633110312).

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

3097481688 is a wasteful number, since it uses less digits than its factorization.

3097481688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 3097481688 is about 55655.0239241706. The cubic root of 3097481688 is about 1457.7047955230.

The spelling of 3097481688 in words is "three billion, ninety-seven million, four hundred eighty-one thousand, six hundred eighty-eight".