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198208990248880 = 24513190585567547
BaseRepresentation
bin101101000100010100100000…
…011101000111111110110000
3221222210121001022210212002111
4231010110200131013332300
5201434424003000431010
61541315541510455104
756515061360522542
oct5504244035077660
9858717038725074
10198208990248880
1158178a62774816
121a292291964494
13867a048791790
1436d351b24d692
1517dad0d93858a
hexb44520747fb0

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".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 190585567547 381171135094 762342270188 952927837735 1524684540376 1905855675470 2477612378111 3049369080752 3811711350940 4955224756222 7623422701880 9910449512444 12388061890555 15246845403760 19820899024888 24776123781110 39641798049776 49552247562220 99104495124440 198208990248880