Search a number
-
+
20608624424 = 2312772017289
BaseRepresentation
bin10011001100010111…
…101010011100101000
31222012020202121000002
4103030113222130220
5314201301440144
613244550202132
71326462263063
oct231427523450
958166677002
1020608624424
118816038613
123bb1953348
131c35802c2b
14dd70758da
158093de14e
hex4cc5ea728

20608624424 has 16 divisors (see below), whose sum is σ = 38671449300. Its totient is φ = 10296237952.

The previous prime is 20608624423. The next prime is 20608624429. The reversal of 20608624424 is 42442680602.

It can be written as a sum of positive squares in 2 ways, for example, as 18500896324 + 2107728100 = 136018^2 + 45910^2 .

It is not an unprimeable number, because it can be changed into a prime (20608624423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 998429 + ... + 1018860.

Almost surely, 220608624424 is an apocalyptic number.

It is an amenable number.

20608624424 is a deficient number, since it is larger than the sum of its proper divisors (18062824876).

20608624424 is a wasteful number, since it uses less digits than its factorization.

20608624424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018572 (or 2018568 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 20608624424 in words is "twenty billion, six hundred eight million, six hundred twenty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1277 2554 5108 10216 2017289 4034578 8069156 16138312 2576078053 5152156106 10304312212 20608624424