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1031003320985 = 51171264021337
BaseRepresentation
bin11110000000011001001…
…01100011001010011001
310122120012101122022111122
433000030211203022121
5113342443322232420
62105345243135025
7134326136426651
oct17001445431231
93576171568448
101031003320985
11368278550920
12147994b14475
13762b94915a1
1437c87c25361
151bc434ca725
hexf00c963299

1031003320985 has 16 divisors (see below), whose sum is σ = 1368686616192. Its totient is φ = 739259740800.

The previous prime is 1031003320951. The next prime is 1031003321021. The reversal of 1031003320985 is 5890233001301.

It is a happy number.

It is not a de Polignac number, because 1031003320985 - 214 = 1031003304601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 132006764 + ... + 132014573.

It is an arithmetic number, because the mean of its divisors is an integer number (85542913512).

Almost surely, 21031003320985 is an apocalyptic number.

It is an amenable number.

1031003320985 is a deficient number, since it is larger than the sum of its proper divisors (337683295207).

1031003320985 is a wasteful number, since it uses less digits than its factorization.

1031003320985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264021424.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 1031003320985 in words is "one trillion, thirty-one billion, three million, three hundred twenty thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 71 355 781 3905 264021337 1320106685 2904234707 14521173535 18745514927 93727574635 206200664197 1031003320985