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1080880801 = 711131517151
BaseRepresentation
bin100000001101100…
…1110111010100001
32210022212102201021
41000123032322201
54203201141201
6255131005441
735533222660
oct10033167241
92708772637
101080880801
11505146820
12261b99881
13142c18450
14a37a2dd7
1564d5aea1
hex406ceea1

1080880801 has 32 divisors (see below), whose sum is σ = 1461067776. Its totient is φ = 772200000.

The previous prime is 1080880793. The next prime is 1080880847.

1080880801 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1080880801 - 23 = 1080880793 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1080880801 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 (1080880201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147576 + ... + 154726.

It is an arithmetic number, because the mean of its divisors is an integer number (45658368).

Almost surely, 21080880801 is an apocalyptic number.

1080880801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1080880801 is a deficient number, since it is larger than the sum of its proper divisors (380186975).

1080880801 is a wasteful number, since it uses less digits than its factorization.

1080880801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 4096, while the sum is 34.

The square root of 1080880801 is about 32876.7516795683. The cubic root of 1080880801 is about 1026.2644086096.

The spelling of 1080880801 in words is "one billion, eighty million, eight hundred eighty thousand, eight hundred one".

Divisors: 1 7 11 13 77 91 143 151 1001 1057 1661 1963 7151 11627 13741 21593 50057 78661 92963 151151 550627 650741 1022593 1079801 7158151 7558607 11877811 14037413 83144677 98261891 154411543 1080880801