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6081361920 = 2113251923151
BaseRepresentation
bin1011010100111101…
…00011100000000000
3120200211011012020200
411222132203200000
544423312040140
62443240405200
7303462503064
oct55236434000
916624135220
106081361920
112640852247
121218776800
1375bbb500a
1441994baa4
15258d5a030
hex16a7a3800

6081361920 has 576 divisors, whose sum is σ = 23304153600. Its totient is φ = 1459814400.

The previous prime is 6081361883. The next prime is 6081361961. The reversal of 6081361920 is 291631806.

6081361920 is a `hidden beast` number, since 6 + 0 + 8 + 13 + 619 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40273845 + ... + 40273995.

It is an arithmetic number, because the mean of its divisors is an integer number (40458600).

Almost surely, 26081361920 is an apocalyptic number.

6081361920 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 6081361920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11652076800).

6081361920 is an abundant number, since it is smaller than the sum of its proper divisors (17222791680).

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

6081361920 is a wasteful number, since it uses less digits than its factorization.

6081361920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6081361920 is about 77983.0873972043. The cubic root of 6081361920 is about 1825.2973226726.

The spelling of 6081361920 in words is "six billion, eighty-one million, three hundred sixty-one thousand, nine hundred twenty".