Base | Representation |
---|---|
bin | 10010001100001011011111… |
… | …010000010011111001101000 |
3 | 101111021002122110000012112220 |
4 | 102030023133100103321220 |
5 | 40441222144422402110 |
6 | 442052153355034040 |
7 | 22564640225521251 |
oct | 2214133720237150 |
9 | 344232573005486 |
10 | 80001806450280 |
11 | 23544637109a60 |
12 | 8b80a7713b920 |
13 | 35841a41a0200 |
14 | 15a8172869b28 |
15 | 93b06d318370 |
hex | 48c2df413e68 |
80001806450280 has 1536 divisors, whose sum is σ = 311287869849600. Its totient is φ = 16241364172800.
The previous prime is 80001806450273. The next prime is 80001806450323. The reversal of 80001806450280 is 8205460810008.
It is a super-2 number, since 2×800018064502802 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 12745226502 + ... + 12745232778.
It is an arithmetic number, because the mean of its divisors is an integer number (202661373600).
Almost surely, 280001806450280 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 80001806450280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155643934924800).
80001806450280 is an abundant number, since it is smaller than the sum of its proper divisors (231286063399320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80001806450280 is a wasteful number, since it uses less digits than its factorization.
80001806450280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6475 (or 6458 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 42.
The spelling of 80001806450280 in words is "eighty trillion, one billion, eight hundred six million, four hundred fifty thousand, two hundred eighty".
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