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1905001688675 = 52671137314441
BaseRepresentation
bin11011101110001010111…
…100101110111001100011
320202010010211202121201002
4123232022330232321203
5222202420413014200
64015051245302215
7254426501116211
oct33561274567143
96663124677632
101905001688675
116749a7876498
1226925126496b
1310a844055037
14682b9c0dcb1
1534847e2ebd5
hex1bb8af2ee63

1905001688675 has 12 divisors (see below), whose sum is σ = 2397458843736. Its totient is φ = 1501255060800.

The previous prime is 1905001688663. The next prime is 1905001688731. The reversal of 1905001688675 is 5768861005091.

It is not a de Polignac number, because 1905001688675 - 24 = 1905001688659 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 1905001688675.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568655546 + ... + 568658895.

It is an arithmetic number, because the mean of its divisors is an integer number (199788236978).

Almost surely, 21905001688675 is an apocalyptic number.

1905001688675 is a deficient number, since it is larger than the sum of its proper divisors (492457155061).

1905001688675 is a wasteful number, since it uses less digits than its factorization.

1905001688675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137314518 (or 1137314513 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 1905001688675 in words is "one trillion, nine hundred five billion, one million, six hundred eighty-eight thousand, six hundred seventy-five".

Divisors: 1 5 25 67 335 1675 1137314441 5686572205 28432861025 76200067547 381000337735 1905001688675