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1005444223201 = 11732817336079
BaseRepresentation
bin11101010000110010010…
…01010101000011100001
310120010020010200121201101
432220121021111003201
5112433122210120301
62045521131034401
7132432562612615
oct16503111250341
93503203617641
101005444223201
11358452063410
12142a4129ba01
1373a751808a2
1436941501345
151b2496b9701
hexea192550e1

1005444223201 has 32 divisors (see below), whose sum is σ = 1117536491520. Its totient is φ = 896937753600.

The previous prime is 1005444223183. The next prime is 1005444223237. The reversal of 1005444223201 is 1023224445001.

It is a cyclic number.

It is not a de Polignac number, because 1005444223201 - 217 = 1005444092129 is a prime.

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 1005444223201.

It is not an unprimeable number, because it can be changed into a prime (1005444223241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165393280 + ... + 165399358.

It is an arithmetic number, because the mean of its divisors is an integer number (34923015360).

Almost surely, 21005444223201 is an apocalyptic number.

1005444223201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1005444223201 is a deficient number, since it is larger than the sum of its proper divisors (112092268319).

1005444223201 is a wasteful number, since it uses less digits than its factorization.

1005444223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1005444223201 its reverse (1023224445001), we get a palindrome (2028668668202).

The spelling of 1005444223201 in words is "one trillion, five billion, four hundred forty-four million, two hundred twenty-three thousand, two hundred one".

Divisors: 1 11 73 281 733 803 3091 6079 8063 20513 53509 66869 205973 225643 443767 588599 1708199 2265703 4455907 4881437 15036029 18790189 49014977 124698527 165396319 325281211 1252109867 1371683797 3578093321 13773208537 91404020291 1005444223201