Base | Representation |
---|---|
bin | 101101000100010100100000… |
… | …011101000111111110110000 |
3 | 221222210121001022210212002111 |
4 | 231010110200131013332300 |
5 | 201434424003000431010 |
6 | 1541315541510455104 |
7 | 56515061360522542 |
oct | 5504244035077660 |
9 | 858717038725074 |
10 | 198208990248880 |
11 | 58178a62774816 |
12 | 1a292291964494 |
13 | 867a048791790 |
14 | 36d351b24d692 |
15 | 17dad0d93858a |
hex | b44520747fb0 |
198208990248880 has 40 divisors (see below), whose sum is σ = 496284817894992. Its totient is φ = 73184857937664.
The previous prime is 198208990248851. The next prime is 198208990248901. The reversal of 198208990248880 is 88842099802891.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 198208990248797 and 198208990248806.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95292782734 + ... + 95292784813.
Almost surely, 2198208990248880 is an apocalyptic number.
198208990248880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
198208990248880 is an abundant number, since it is smaller than the sum of its proper divisors (298075827646112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198208990248880 is a wasteful number, since it uses less digits than its factorization.
198208990248880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190585567573 (or 190585567567 counting only the distinct ones).
The product of its (nonzero) digits is 382205952, while the sum is 76.
The spelling of 198208990248880 in words is "one hundred ninety-eight trillion, two hundred eight billion, nine hundred ninety million, two hundred forty-eight thousand, eight hundred eighty".
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