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494682420453 = 31317243889843
BaseRepresentation
bin1110011001011010101…
…11101011010011100101
31202021212021020200102220
413030231113223103211
531101102144423303
61015130505022553
750511456124104
oct7145527532345
91667767220386
10494682420453
1118088036a261
127ba58184a59
13378575778c0
1419d2acd403b
15cd03d99053
hex732d5eb4e5

494682420453 has 24 divisors (see below), whose sum is σ = 754554198048. Its totient is φ = 286512888576.

The previous prime is 494682420389. The next prime is 494682420457. The reversal of 494682420453 is 354024286494.

It is not a de Polignac number, because 494682420453 - 26 = 494682420389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 494682420396 and 494682420405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494682420457) 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 23 ways as a sum of consecutive naturals, for example, 21933651 + ... + 21956192.

It is an arithmetic number, because the mean of its divisors is an integer number (31439758252).

Almost surely, 2494682420453 is an apocalyptic number.

It is an amenable number.

494682420453 is a deficient number, since it is larger than the sum of its proper divisors (259871777595).

494682420453 is a wasteful number, since it uses less digits than its factorization.

494682420453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43889893 (or 43889876 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 494682420453 in words is "four hundred ninety-four billion, six hundred eighty-two million, four hundred twenty thousand, four hundred fifty-three".

Divisors: 1 3 13 17 39 51 221 289 663 867 3757 11271 43889843 131669529 570567959 746127331 1711703877 2238381993 9699655303 12684164627 29098965909 38052493881 164894140151 494682420453