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10800000801 = 3210128341983
BaseRepresentation
bin10100000111011101…
…01110111100100001
31000212200002212220200
422003232232330201
5134104300011201
64543401255413
7531430330542
oct120356567441
930780085820
1010800000801
1146423564a7
122114a94569
131031670825
147464cc4c9
15433235386
hex283baef21

10800000801 has 24 divisors (see below), whose sum is σ = 15810502656. Its totient is φ = 7103354400.

The previous prime is 10800000793. The next prime is 10800000811.

It is a happy number.

10800000801 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 10800000801 - 23 = 10800000793 is a prime.

10800000801 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (10800000811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236256 + ... + 278238.

It is an arithmetic number, because the mean of its divisors is an integer number (658770944).

Almost surely, 210800000801 is an apocalyptic number.

It is an amenable number.

10800000801 is a deficient number, since it is larger than the sum of its proper divisors (5010501855).

10800000801 is a wasteful number, since it uses less digits than its factorization.

10800000801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42373 (or 42370 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 10800000 and 801, that added together give a palindrome (10800801).

The spelling of 10800000801 in words is "ten billion, eight hundred million, eight hundred one", and thus it is an aban number.

Divisors: 1 3 9 101 283 303 849 909 2547 28583 41983 85749 125949 257247 377847 4240283 11881189 12720849 35643567 38162547 106930701 1200000089 3600000267 10800000801