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54021444299 = 397136074167
BaseRepresentation
bin110010010011111011…
…011101001011001011
312011102211212201010022
4302103323131023023
51341113442204144
640452255011055
73621462462104
oct622373351313
9164384781108
1054021444299
1120a01773739
12a577809a8b
13512bc5c074
1428868673ab
151612953cee
hexc93edd2cb

54021444299 has 4 divisors (see below), whose sum is σ = 54157518864. Its totient is φ = 53885369736.

The previous prime is 54021444287. The next prime is 54021444307. The reversal of 54021444299 is 99244412045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54021444299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54021444199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68036687 + ... + 68037480.

It is an arithmetic number, because the mean of its divisors is an integer number (13539379716).

Almost surely, 254021444299 is an apocalyptic number.

54021444299 is a deficient number, since it is larger than the sum of its proper divisors (136074565).

54021444299 is a wasteful number, since it uses less digits than its factorization.

54021444299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136074564.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 54021444299 in words is "fifty-four billion, twenty-one million, four hundred forty-four thousand, two hundred ninety-nine".

Divisors: 1 397 136074167 54021444299