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28498326405120 = 214335112138191
BaseRepresentation
bin1100111101011010010001…
…00111110100000000000000
310201220102011100220012012000
412132231020213310000000
512213404033024430440
6140335541142304000
76000636044422245
oct636551047640000
9121812140805160
1028498326405120
119098088340100
1232431bba28000
1312b94c4393020
1470747d74d5cc
15346490a44730
hex19eb489f4000

28498326405120 has 1440 divisors, whose sum is σ = 119954775736320. Its totient is φ = 6376469299200.

The previous prime is 28498326405089. The next prime is 28498326405127. The reversal of 28498326405120 is 2150462389482.

28498326405120 is a `hidden beast` number, since 2 + 8 + 4 + 9 + 83 + 2 + 6 + 40 + 512 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28498326405127) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3479220225 + ... + 3479228415.

Almost surely, 228498326405120 is an apocalyptic number.

28498326405120 is a gapful number since it is divisible by the number (20) 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 28498326405120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59977387868160).

28498326405120 is an abundant number, since it is smaller than the sum of its proper divisors (91456449331200).

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

28498326405120 is a wasteful number, since it uses less digits than its factorization.

28498326405120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 28498326405120 in words is "twenty-eight trillion, four hundred ninety-eight billion, three hundred twenty-six million, four hundred five thousand, one hundred twenty".