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6620673120 = 2535171942703
BaseRepresentation
bin1100010101001111…
…10111010001100000
3122002101222001010120
412022213313101200
5102024343014440
63012544000240
7323031535665
oct61247672140
918071861116
106620673120
112898219786
121349300080
13816852279
1446b417a6c
1528b38add0
hex18a9f7460

6620673120 has 192 divisors, whose sum is σ = 23244641280. Its totient is φ = 1574166528.

The previous prime is 6620673113. The next prime is 6620673127. The reversal of 6620673120 is 213760266.

It is an interprime number because it is at equal distance from previous prime (6620673113) and next prime (6620673127).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620673127) 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, 133689 + ... + 176391.

It is an arithmetic number, because the mean of its divisors is an integer number (121065840).

Almost surely, 26620673120 is an apocalyptic number.

6620673120 is a gapful number since it is divisible by the number (60) 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 6620673120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11622320640).

6620673120 is an abundant number, since it is smaller than the sum of its proper divisors (16623968160).

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

6620673120 is a wasteful number, since it uses less digits than its factorization.

6620673120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42757 (or 42749 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 6620673120 is about 81367.5188266178. The cubic root of 6620673120 is about 1877.7339076177.

The spelling of 6620673120 in words is "six billion, six hundred twenty million, six hundred seventy-three thousand, one hundred twenty".