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204440002401 = 3185213679427
BaseRepresentation
bin1011111001100110010…
…0101101111101100001
3201112200202221011202210
42332121210231331201
511322143120034101
6233530214432333
720525133230265
oct2763144557541
9645622834683
10204440002401
1179780062778
12337566626a9
1316381149b2b
149c75a500a5
1554b81607d6
hex2f9992df61

204440002401 has 8 divisors (see below), whose sum is σ = 272601461664. Its totient is φ = 136285939040.

The previous prime is 204440002271. The next prime is 204440002447. The reversal of 204440002401 is 104200044402.

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 204440002401 - 29 = 204440001889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204440009401) 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, 1784151 + ... + 1895276.

It is an arithmetic number, because the mean of its divisors is an integer number (34075182708).

Almost surely, 2204440002401 is an apocalyptic number.

It is an amenable number.

204440002401 is a deficient number, since it is larger than the sum of its proper divisors (68161459263).

204440002401 is a wasteful number, since it uses less digits than its factorization.

204440002401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697951.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 204440002401 its reverse (104200044402), we get a palindrome (308640046803).

The spelling of 204440002401 in words is "two hundred four billion, four hundred forty million, two thousand, four hundred one".

Divisors: 1 3 18521 55563 3679427 11038281 68146667467 204440002401