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10680067801 = 13821543677
BaseRepresentation
bin10011111001001010…
…01110011011011001
31000120022102122202201
421330211032123121
5133333044132201
64523434530201
7525443035624
oct117445163331
930508378681
1010680067801
114590690017
1220a0896961
13101286b260
147345ccdbb
15427944801
hex27c94e6d9

10680067801 has 4 divisors (see below), whose sum is σ = 11501611492. Its totient is φ = 9858524112.

The previous prime is 10680067759. The next prime is 10680067807. The reversal of 10680067801 is 10876008601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10876008601 = 12785637863.

It can be written as a sum of positive squares in 2 ways, for example, as 5625000000 + 5055067801 = 75000^2 + 71099^2 .

It is a cyclic number.

It is not a de Polignac number, because 10680067801 - 221 = 10677970649 is a prime.

It is a super-2 number, since 2×106800678012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10680067807) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 410771826 + ... + 410771851.

It is an arithmetic number, because the mean of its divisors is an integer number (2875402873).

Almost surely, 210680067801 is an apocalyptic number.

It is an amenable number.

10680067801 is a deficient number, since it is larger than the sum of its proper divisors (821543691).

10680067801 is an equidigital number, since it uses as much as digits as its factorization.

10680067801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821543690.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 10680067801 in words is "ten billion, six hundred eighty million, sixty-seven thousand, eight hundred one".

Divisors: 1 13 821543677 10680067801