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10666768835840 = 2851322312231753
BaseRepresentation
bin1001101100111000110011…
…1101111010010100000000
31101202201210110102121020112
42123032030331322110000
52344231020310221330
634404125043130452
72150435322054305
oct233161475722400
941681713377215
1010666768835840
113442829a20187
12124335b373a28
135c4b4499ca00
1428c3bac0b0ac
151377018b9795
hex9b38cf7a500

10666768835840 has 432 divisors, whose sum is σ = 28909826733312. Its totient is φ = 3762032541696.

The previous prime is 10666768835819. The next prime is 10666768835963. The reversal of 10666768835840 is 4853886766601.

It is a super-2 number, since 2×106667688358402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6084864404 + ... + 6084866156.

It is an arithmetic number, because the mean of its divisors is an integer number (66920895216).

Almost surely, 210666768835840 is an apocalyptic number.

10666768835840 is a gapful number since it is divisible by the number (10) 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 10666768835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14454913366656).

10666768835840 is an abundant number, since it is smaller than the sum of its proper divisors (18243057897472).

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

10666768835840 is a wasteful number, since it uses less digits than its factorization.

10666768835840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 68.

The spelling of 10666768835840 in words is "ten trillion, six hundred sixty-six billion, seven hundred sixty-eight million, eight hundred thirty-five thousand, eight hundred forty".