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42816890473 = 789619111029
BaseRepresentation
bin100111111000000101…
…011110011001101001
311002111222112101210021
4213320011132121221
51200142110443343
631400402320441
73044020364320
oct477005363151
9132458471707
1042816890473
11171820225a5
12836b359121
134064844766
14210274b0b7
1511a8e5b0ed
hex9f815e669

42816890473 has 16 divisors (see below), whose sum is σ = 49563792000. Its totient is φ = 36228880512.

The previous prime is 42816890449. The next prime is 42816890503. The reversal of 42816890473 is 37409861824.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42816890473 is a prime.

It is a super-2 number, since 2×428168904732 (a number of 22 digits) contains 22 as substring.

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 42816890473.

It is not an unprimeable number, because it can be changed into a prime (42816893473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330123 + ... + 441151.

It is an arithmetic number, because the mean of its divisors is an integer number (3097737000).

Almost surely, 242816890473 is an apocalyptic number.

It is an amenable number.

42816890473 is a deficient number, since it is larger than the sum of its proper divisors (6746901527).

42816890473 is a wasteful number, since it uses less digits than its factorization.

42816890473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111744.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 42816890473 in words is "forty-two billion, eight hundred sixteen million, eight hundred ninety thousand, four hundred seventy-three".

Divisors: 1 7 89 619 623 4333 55091 111029 385637 777203 9881581 68726951 69171067 481088657 6116698639 42816890473