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5404392161280 = 2213657101
BaseRepresentation
bin100111010100100111011…
…1000000000000000000000
3201010122200101022102000000
41032221032320000000000
51202021143343130110
615254424332000000
71065311606263110
oct116511670000000
921118611272000
105404392161280
1117a3a98534712
127334a8000000
1330282a64c6b8
14149806dc3040
15958a9a061c0
hex4ea4ee00000

5404392161280 has 1232 divisors, whose sum is σ = 22445091084384. Its totient is φ = 1223059046400.

The previous prime is 5404392161261. The next prime is 5404392161303. The reversal of 5404392161280 is 821612934045.

5404392161280 is a `hidden beast` number, since 5 + 4 + 0 + 4 + 3 + 9 + 21 + 612 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 55 ways as a sum of consecutive naturals, for example, 53508833230 + ... + 53508833330.

Almost surely, 25404392161280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5404392161280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11222545542192).

5404392161280 is an abundant number, since it is smaller than the sum of its proper divisors (17040698923104).

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

5404392161280 is an frugal number, since it uses more digits than its factorization.

5404392161280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 118 counting only the distinct ones).

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

The spelling of 5404392161280 in words is "five trillion, four hundred four billion, three hundred ninety-two million, one hundred sixty-one thousand, two hundred eighty".