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42816896494 = 2181991176353
BaseRepresentation
bin100111111000000101…
…011111110111101110
311002111222112201001021
4213320011133313232
51200142111141434
631400402404354
73044020421011
oct477005376756
9132458481037
1042816896494
1117182027079
12836b3606ba
134064847418
14210274d378
1511a8e5ccb4
hex9f815fdee

42816896494 has 8 divisors (see below), whose sum is σ = 64228928400. Its totient is φ = 21407253696.

The previous prime is 42816896491. The next prime is 42816896501. The reversal of 42816896494 is 49469861824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42816896491) 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 3 ways as a sum of consecutive naturals, for example, 551779 + ... + 624574.

It is an arithmetic number, because the mean of its divisors is an integer number (8028616050).

Almost surely, 242816896494 is an apocalyptic number.

42816896494 is a deficient number, since it is larger than the sum of its proper divisors (21412031906).

42816896494 is a wasteful number, since it uses less digits than its factorization.

42816896494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194554.

The product of its digits is 23887872, while the sum is 61.

The spelling of 42816896494 in words is "forty-two billion, eight hundred sixteen million, eight hundred ninety-six thousand, four hundred ninety-four".

Divisors: 1 2 18199 36398 1176353 2352706 21408448247 42816896494