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290028029544 = 23331122329127131
BaseRepresentation
bin1000011100001110000…
…01001000011001101000
31000201121112220102221000
410032013001020121220
514222434133421134
6341123111115000
726645110401231
oct4160701103150
91021545812830
10290028029544
11102000297300
1248261972a60
1321470ba6586
14100749d8088
157826edae99
hex4387048668

290028029544 has 768 divisors, whose sum is σ = 970776576000. Its totient is φ = 79913433600.

The previous prime is 290028029537. The next prime is 290028029561. The reversal of 290028029544 is 445920820092.

290028029544 is a `hidden beast` number, since 2 + 9 + 0 + 0 + 2 + 80 + 29 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 290028029544.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2213954359 + ... + 2213954489.

It is an arithmetic number, because the mean of its divisors is an integer number (1264032000).

Almost surely, 2290028029544 is an apocalyptic number.

290028029544 is a gapful number since it is divisible by the number (24) 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 290028029544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485388288000).

290028029544 is an abundant number, since it is smaller than the sum of its proper divisors (680748546456).

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

290028029544 is a wasteful number, since it uses less digits than its factorization.

290028029544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 290028029544 in words is "two hundred ninety billion, twenty-eight million, twenty-nine thousand, five hundred forty-four".