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10780405448 = 23367092
BaseRepresentation
bin10100000101000111…
…11110111011001000
31000211022020100010212
422002203332323020
5134034240433243
64541421300252
7531101635331
oct120243767310
930738210125
1010780405448
11463229219a
12210a404688
13102a59c647
14743a6b288
15431664318
hex2828feec8

10780405448 has 12 divisors (see below), whose sum is σ = 20213810865. Its totient is φ = 5390055888.

The previous prime is 10780405423. The next prime is 10780405453. The reversal of 10780405448 is 84450408701.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

10780405448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10749957124 + 30448324 = 103682^2 + 5518^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=73418.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 275318 + ... + 312026.

Almost surely, 210780405448 is an apocalyptic number.

It is an amenable number.

10780405448 is a deficient number, since it is larger than the sum of its proper divisors (9433405417).

10780405448 is an frugal number, since it uses more digits than its factorization.

10780405448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73424 (or 36711 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 10780405448 in words is "ten billion, seven hundred eighty million, four hundred five thousand, four hundred forty-eight".

Divisors: 1 2 4 8 36709 73418 146836 293672 1347550681 2695101362 5390202724 10780405448