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442871308475 = 52263491137183
BaseRepresentation
bin1100111000111010010…
…11111110000010111011
31120100010110111111020122
412130131023332002323
524224000023332400
6535241405043455
743665523003361
oct6343513760273
91510113444218
10442871308475
11160903342a52
12719b885658b
13329bb5270ab
1417613c37631
15b7c0503685
hex671d2fe0bb

442871308475 has 24 divisors (see below), whose sum is σ = 552375217152. Its totient is φ = 352228503200.

The previous prime is 442871308433. The next prime is 442871308483. The reversal of 442871308475 is 574803178244.

It is a happy number.

It is not a de Polignac number, because 442871308475 - 220 = 442870259899 is a prime.

It is a super-3 number, since 3×4428713084753 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

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, 3159734 + ... + 3296916.

It is an arithmetic number, because the mean of its divisors is an integer number (23015634048).

Almost surely, 2442871308475 is an apocalyptic number.

442871308475 is a deficient number, since it is larger than the sum of its proper divisors (109503908677).

442871308475 is a wasteful number, since it uses less digits than its factorization.

442871308475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137947 (or 137942 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 442871308475 in words is "four hundred forty-two billion, eight hundred seventy-one million, three hundred eight thousand, four hundred seventy-five".

Divisors: 1 5 25 263 491 1315 2455 6575 12275 129133 137183 645665 685915 3228325 3429575 36079129 67356853 180395645 336784265 901978225 1683921325 17714852339 88574261695 442871308475