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8104080015360 = 2153957359
BaseRepresentation
bin111010111101110000011…
…0011111000000000000000
31001200202001021022000000000
41311323200303320000000
52030234123440442420
625122544000000000
71464333441360240
oct165734063700000
931622037260000
108104080015360
112644a1499425a
12aaa760000000
1346a29978c674
1420034d521b20
15e0c1447d690
hex75ee0cf8000

8104080015360 has 1280 divisors, whose sum is σ = 33434300275200. Its totient is φ = 1847201366016.

The previous prime is 8104080015359. The next prime is 8104080015373. The reversal of 8104080015360 is 635100804018.

8104080015360 is a `hidden beast` number, since 8 + 1 + 0 + 40 + 80 + 0 + 1 + 536 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a super-2 number, since 2×81040800153602 (a number of 27 digits) contains 22 as substring.

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

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22574038861 + ... + 22574039219.

It is an arithmetic number, because the mean of its divisors is an integer number (26120547090).

Almost surely, 28104080015360 is an apocalyptic number.

8104080015360 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 8104080015360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16717150137600).

8104080015360 is an abundant number, since it is smaller than the sum of its proper divisors (25330220259840).

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

8104080015360 is an frugal number, since it uses more digits than its factorization.

8104080015360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

Adding to 8104080015360 its reverse (635100804018), we get a palindrome (8739180819378).

The spelling of 8104080015360 in words is "eight trillion, one hundred four billion, eighty million, fifteen thousand, three hundred sixty".