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18785468074483 = 1149113192636957
BaseRepresentation
bin1000100010101110101010…
…01001101100100111110011
32110111212120120101002110201
410101113111021230213303
54430240114311340413
6103541531435540031
73646130261005015
oct421272511544763
973455516332421
1018785468074483
115a92965aa0250
1221348bb2ba617
13a63601137846
1448d315b541b5
152289be4e49dd
hex1115d526c9f3

18785468074483 has 16 divisors (see below), whose sum is σ = 20550552042240. Its totient is φ = 17029989239200.

The previous prime is 18785468074459. The next prime is 18785468074547. The reversal of 18785468074483 is 38447086458781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18785468074483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18785468074783) 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 15 ways as a sum of consecutive naturals, for example, 5805441 + ... + 8442397.

It is an arithmetic number, because the mean of its divisors is an integer number (1284409502640).

Almost surely, 218785468074483 is an apocalyptic number.

18785468074483 is a deficient number, since it is larger than the sum of its proper divisors (1765083967757).

18785468074483 is a wasteful number, since it uses less digits than its factorization.

18785468074483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638778.

The product of its (nonzero) digits is 1156055040, while the sum is 73.

The spelling of 18785468074483 in words is "eighteen trillion, seven hundred eighty-five billion, four hundred sixty-eight million, seventy-four thousand, four hundred eighty-three".

Divisors: 1 11 491 1319 5401 14509 647629 2636957 7123919 29006527 1294745887 3478146283 14242204757 38259609113 1707769824953 18785468074483