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84068892250280 = 235761317103315031
BaseRepresentation
bin10011000111010111010000…
…011101011001000010101000
3102000122220111122110122111022
4103013113100131121002220
542004341042404002110
6454444414350352012
723464530343442210
oct2307272035310250
9360586448418438
1084068892250280
1124872465005043
129519145abb608
1337ba87c740092
1416a8d55751240
159abc58b3c755
hex4c75d07590a8

84068892250280 has 256 divisors, whose sum is σ = 220642216565760. Its totient is φ = 28232428953600.

The previous prime is 84068892250241. The next prime is 84068892250309. The reversal of 84068892250280 is 8205229886048.

It is a Cunningham number, because it is equal to 91689092-1.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5593026365 + ... + 5593041395.

It is an arithmetic number, because the mean of its divisors is an integer number (861883658460).

Almost surely, 284068892250280 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 84068892250280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110321108282880).

84068892250280 is an abundant number, since it is smaller than the sum of its proper divisors (136573324315480).

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

84068892250280 is a wasteful number, since it uses less digits than its factorization.

84068892250280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16460 (or 16456 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 62.

The spelling of 84068892250280 in words is "eighty-four trillion, sixty-eight billion, eight hundred ninety-two million, two hundred fifty thousand, two hundred eighty".