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10800000001 = 76421240283
BaseRepresentation
bin10100000111011101…
…01110110000000001
31000212200002211211001
422003232232300001
5134104300000001
64543401252001
7531430325320
oct120356566001
930780084731
1010800000001
11464235593a
122114a94001
13103167035b
147464cc0b7
15433235001
hex283baec01

10800000001 has 8 divisors (see below), whose sum is σ = 12344830784. Its totient is φ = 9255662640.

The previous prime is 10799999999. The next prime is 10800000017. The reversal of 10800000001 is 10000000801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10800000001 - 21 = 10799999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10800000061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75195 + ... + 165088.

It is an arithmetic number, because the mean of its divisors is an integer number (1543103848).

Almost surely, 210800000001 is an apocalyptic number.

It is an amenable number.

10800000001 is a deficient number, since it is larger than the sum of its proper divisors (1544830783).

10800000001 is an equidigital number, since it uses as much as digits as its factorization.

10800000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246711.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10800000001 its reverse (10000000801), we get a palindrome (20800000802).

The spelling of 10800000001 in words is "ten billion, eight hundred million, one", and thus it is an aban number.

Divisors: 1 7 6421 44947 240283 1681981 1542857143 10800000001