Search a number
-
+
20004013223 = 61566957847
BaseRepresentation
bin10010101000010101…
…010000010010100111
31220122010002011100122
4102220111100102213
5311432011410343
613104551232155
71305501210155
oct225025202247
956563064318
1020004013223
118535820237
123a6337865b
131b6a48151c
14d7aa4c3d5
157c12b0068
hex4a85504a7

20004013223 has 8 divisors (see below), whose sum is σ = 20335885920. Its totient is φ = 19672267680.

The previous prime is 20004013207. The next prime is 20004013231. The reversal of 20004013223 is 32231040002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20004013223 - 24 = 20004013207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004013243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316886 + ... + 374732.

It is an arithmetic number, because the mean of its divisors is an integer number (2541985740).

Almost surely, 220004013223 is an apocalyptic number.

20004013223 is a deficient number, since it is larger than the sum of its proper divisors (331872697).

20004013223 is an equidigital number, since it uses as much as digits as its factorization.

20004013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63577.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20004013223 its reverse (32231040002), we get a palindrome (52235053225).

The spelling of 20004013223 in words is "twenty billion, four million, thirteen thousand, two hundred twenty-three".

Divisors: 1 61 5669 57847 345809 3528667 327934643 20004013223