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204404050331 = 1361257760467
BaseRepresentation
bin1011111001011101101…
…1100100100110011011
3201112121021021121210122
42332113123210212123
511322104414102311
6233522452103455
720524215521615
oct2762733444633
9645537247718
10204404050331
1179761837418
1233746604b8b
131637686c910
149c70d71db5
1554b4e0d0db
hex2f976e499b

204404050331 has 8 divisors (see below), whose sum is σ = 223736086224. Its totient is φ = 185587535520.

The previous prime is 204404050327. The next prime is 204404050337. The reversal of 204404050331 is 133050404402.

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 204404050331 - 22 = 204404050327 is a prime.

It is a super-2 number, since 2×2044040503312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204404050331.

It is not an unprimeable number, because it can be changed into a prime (204404050337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 128879441 + ... + 128881026.

It is an arithmetic number, because the mean of its divisors is an integer number (27967010778).

Almost surely, 2204404050331 is an apocalyptic number.

204404050331 is a deficient number, since it is larger than the sum of its proper divisors (19332035893).

204404050331 is a wasteful number, since it uses less digits than its factorization.

204404050331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257760541.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 204404050331 its reverse (133050404402), we get a palindrome (337454454733).

The spelling of 204404050331 in words is "two hundred four billion, four hundred four million, fifty thousand, three hundred thirty-one".

Divisors: 1 13 61 793 257760467 3350886071 15723388487 204404050331