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2068690850000 = 245541373817
BaseRepresentation
bin11110000110100111100…
…101010101000011010000
321022202122121210120122122
4132012213211111003100
5232343134324200000
64222202104153412
7302313042044615
oct36064745250320
97282577716578
102068690850000
11728366066105
12294b14468868
131200cc6bc048
14721a768250c
1538c286e2085
hex1e1a79550d0

2068690850000 has 60 divisors (see below), whose sum is σ = 5009790126348. Its totient is φ = 827476320000.

The previous prime is 2068690849963. The next prime is 2068690850081. The reversal of 2068690850000 is 580968602.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1944228654736 + 124462195264 = 1394356^2 + 352792^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20636909 + ... + 20736908.

Almost surely, 22068690850000 is an apocalyptic number.

2068690850000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068690850000 is an abundant number, since it is smaller than the sum of its proper divisors (2941099276348).

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

2068690850000 is an frugal number, since it uses more digits than its factorization.

2068690850000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41373850 (or 41373824 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 2068690850000 in words is "two trillion, sixty-eight billion, six hundred ninety million, eight hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 3125 5000 6250 10000 12500 25000 50000 41373817 82747634 165495268 206869085 330990536 413738170 661981072 827476340 1034345425 1654952680 2068690850 3309905360 4137381700 5171727125 8274763400 10343454250 16549526800 20686908500 25858635625 41373817000 51717271250 82747634000 103434542500 129293178125 206869085000 258586356250 413738170000 517172712500 1034345425000 2068690850000