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204131002041001 = 7472812208039049
BaseRepresentation
bin101110011010011111110011…
…110111010100001010101001
3222202202201210111202221222001
4232122133303313110022221
5203223440243010303001
62002052253203531001
760665656345306420
oct5632376367241251
9882681714687861
10204131002041001
115a051520a71302
121aa89b57689a61
1389b96177322b9
143859dc954c2b7
15188edb0d44001
hexb9a7f3dd42a9

204131002041001 has 16 divisors (see below), whose sum is σ = 239104132646400. Its totient is φ = 170637257629440.

The previous prime is 204131002040963. The next prime is 204131002041007. The reversal of 204131002041001 is 100140200131402.

It is not a de Polignac number, because 204131002041001 - 215 = 204131002008233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204131002041001.

It is not an unprimeable number, because it can be changed into a prime (204131002041007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103927076 + ... + 1104111973.

It is an arithmetic number, because the mean of its divisors is an integer number (14944008290400).

Almost surely, 2204131002041001 is an apocalyptic number.

It is an amenable number.

204131002041001 is a deficient number, since it is larger than the sum of its proper divisors (34973130605399).

204131002041001 is a wasteful number, since it uses less digits than its factorization.

204131002041001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208039384.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 204131002041001 its reverse (100140200131402), we get a palindrome (304271202172403).

The spelling of 204131002041001 in words is "two hundred four trillion, one hundred thirty-one billion, two million, forty-one thousand, one".

Divisors: 1 7 47 281 329 1967 13207 92449 2208039049 15456273343 103777835303 620458972769 726444847121 4343212809383 29161571720143 204131002041001