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204424243131 = 381929831713
BaseRepresentation
bin1011111001100010100…
…0100110011110111011
3201112122200021112010010
42332120220212132323
511322130101240011
6233524452553003
720524552253013
oct2763050463673
9645580245103
10204424243131
1179772179589
1233751322763
131637aabca14
149c7390ac43
1554b6a9b1a6
hex2f98a267bb

204424243131 has 8 divisors (see below), whose sum is σ = 272569312080. Its totient is φ = 136281001472.

The previous prime is 204424243103. The next prime is 204424243139. The reversal of 204424243131 is 131342424402.

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 204424243131 - 210 = 204424242107 is a prime.

It is a super-2 number, since 2×2044242431312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204424243139) 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, 170070 + ... + 661643.

It is an arithmetic number, because the mean of its divisors is an integer number (34071164010).

Almost surely, 2204424243131 is an apocalyptic number.

204424243131 is a deficient number, since it is larger than the sum of its proper divisors (68145068949).

204424243131 is an equidigital number, since it uses as much as digits as its factorization.

204424243131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913645.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 204424243131 its reverse (131342424402), we get a palindrome (335766667533).

The spelling of 204424243131 in words is "two hundred four billion, four hundred twenty-four million, two hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 3 81929 245787 831713 2495139 68141414377 204424243131