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1806263545068 = 22321961894011213
BaseRepresentation
bin11010010010001101101…
…100100110110011101100
320101200021121112020000100
4122102031230212303230
5214043211431420233
63501441440231100
7244332615544263
oct32221554466354
96350247466010
101806263545068
11637039755814
1225209600b490
13101439ab69a8
14635d05c15da
1531eb989d813
hex1a48db26cec

1806263545068 has 288 divisors, whose sum is σ = 4956217156800. Its totient is φ = 552904704000.

The previous prime is 1806263545061. The next prime is 1806263545103. The reversal of 1806263545068 is 8605453626081.

1806263545068 is a `hidden beast` number, since 1 + 8 + 0 + 626 + 3 + 5 + 4 + 5 + 0 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1806263545061) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1489087230 + ... + 1489088442.

It is an arithmetic number, because the mean of its divisors is an integer number (17209087350).

Almost surely, 21806263545068 is an apocalyptic number.

1806263545068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1806263545068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2478108578400).

1806263545068 is an abundant number, since it is smaller than the sum of its proper divisors (3149953611732).

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

1806263545068 is a wasteful number, since it uses less digits than its factorization.

1806263545068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 1806263545068 in words is "one trillion, eight hundred six billion, two hundred sixty-three million, five hundred forty-five thousand, sixty-eight".