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32434421420 = 2251621721071
BaseRepresentation
bin11110001101001111…
…011111111010101100
310002201102002022202102
4132031033133322230
51012411202441140
622522234114232
72225520014252
oct361517377254
9102642068672
1032434421420
1112834426965
12635227b978
13309b84334b
1417d98a85d2
15c9c6ede15
hex78d3dfeac

32434421420 has 12 divisors (see below), whose sum is σ = 68112285024. Its totient is φ = 12973768560.

The previous prime is 32434421377. The next prime is 32434421441. The reversal of 32434421420 is 2412443423.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810860516 + ... + 810860555.

It is an arithmetic number, because the mean of its divisors is an integer number (5676023752).

Almost surely, 232434421420 is an apocalyptic number.

It is an amenable number.

32434421420 is an abundant number, since it is smaller than the sum of its proper divisors (35677863604).

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

32434421420 is a wasteful number, since it uses less digits than its factorization.

32434421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621721080 (or 1621721078 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 32434421420 its reverse (2412443423), we get a palindrome (34846864843).

The spelling of 32434421420 in words is "thirty-two billion, four hundred thirty-four million, four hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1621721071 3243442142 6486884284 8108605355 16217210710 32434421420