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80541704255040 = 26345717237191579
BaseRepresentation
bin10010010100000010010011…
…101010111111011001000000
3101120011201012211222101210000
4102110002103222333121000
541024043402242130130
6443144203110440000
722651642341244260
oct2224022352773100
9346151184871700
1080541704255040
11237325aa374716
129049631963000
1335c308616b782
1415c634c8577a0
1594a11b998260
hex494093abf640

80541704255040 has 2240 divisors, whose sum is σ = 362496367411200. Its totient is φ = 16539755544576.

The previous prime is 80541704255039. The next prime is 80541704255071. The reversal of 80541704255040 is 4055240714508.

80541704255040 is a `hidden beast` number, since 8 + 0 + 5 + 4 + 17 + 0 + 42 + 550 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (2240).

It is a super-2 number, since 2×805417042550402 (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 51008044971 + ... + 51008046549.

Almost surely, 280541704255040 is an apocalyptic number.

80541704255040 is a gapful number since it is divisible by the number (80) 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 80541704255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181248183705600).

80541704255040 is an abundant number, since it is smaller than the sum of its proper divisors (281954663156160).

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

80541704255040 is a wasteful number, since it uses less digits than its factorization.

80541704255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

Adding to 80541704255040 its reverse (4055240714508), we get a palindrome (84596944969548).

The spelling of 80541704255040 in words is "eighty trillion, five hundred forty-one billion, seven hundred four million, two hundred fifty-five thousand, forty".