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13480802080 = 25584255013
BaseRepresentation
bin11001000111000010…
…01011011100100000
31021210111111200220221
430203201023130200
5210102041131310
610105404212424
7655031632654
oct144341133440
937714450827
1013480802080
11579861a149
12274283a114
13136ab94785
1491c564a64
1553d776ada
hex32384b720

13480802080 has 24 divisors (see below), whose sum is σ = 31848395292. Its totient is φ = 5392320768.

The previous prime is 13480802059. The next prime is 13480802087. The reversal of 13480802080 is 8020808431.

It can be written as a sum of positive squares in 2 ways, for example, as 12998736144 + 482065936 = 114012^2 + 21956^2 .

It is not an unprimeable number, because it can be changed into a prime (13480802087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42127347 + ... + 42127666.

Almost surely, 213480802080 is an apocalyptic number.

13480802080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13480802080 is an abundant number, since it is smaller than the sum of its proper divisors (18367593212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13480802080 is an equidigital number, since it uses as much as digits as its factorization.

13480802080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84255028 (or 84255020 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 13480802080 in words is "thirteen billion, four hundred eighty million, eight hundred two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 84255013 168510026 337020052 421275065 674040104 842550130 1348080208 1685100260 2696160416 3370200520 6740401040 13480802080