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1080808001 = 71354721713
BaseRepresentation
bin100000001101011…
…1101001001000001
32210022201201211222
41000122331021001
54203141324001
6255125244425
735532500510
oct10032751101
92708651758
101080808001
115050a7059
12261b63715
13142bc1280
14a3784677
1564d4461b
hex406bd241

1080808001 has 16 divisors (see below), whose sum is σ = 1332718464. Its totient is φ = 853542144.

The previous prime is 1080807977. The next prime is 1080808007. The reversal of 1080808001 is 1008080801.

It is not a de Polignac number, because 1080808001 - 214 = 1080791617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1080808007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38921 + ... + 60633.

It is an arithmetic number, because the mean of its divisors is an integer number (83294904).

Almost surely, 21080808001 is an apocalyptic number.

It is an amenable number.

1080808001 is a deficient number, since it is larger than the sum of its proper divisors (251910463).

1080808001 is a wasteful number, since it uses less digits than its factorization.

1080808001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280.

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 1080808001 is about 32875.6444955837. The cubic root of 1080808001 is about 1026.2413676088.

Adding to 1080808001 its reverse (1008080801), we get a palindrome (2088888802).

It can be divided in two parts, 108080800 and 1, that added together give a palindrome (108080801).

The spelling of 1080808001 in words is "one billion, eighty million, eight hundred eight thousand, one".

Divisors: 1 7 13 91 547 3829 7111 21713 49777 151991 282269 1975883 11877011 83139077 154401143 1080808001