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54221153233 = 1319219518839
BaseRepresentation
bin110010011111110101…
…010010001111010001
312011221202122222021111
4302133311102033101
51342021103400413
640524151253321
73626436124642
oct623765221721
9164852588244
1054221153233
1120aa4477a45
12a61267a241
135161443a30
1428a51b16c9
151625251d3d
hexc9fd523d1

54221153233 has 8 divisors (see below), whose sum is σ = 61465275200. Its totient is φ = 47416069008.

The previous prime is 54221153219. The next prime is 54221153243. The reversal of 54221153233 is 33235112245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54221153233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54221153195 and 54221153204.

It is not an unprimeable number, because it can be changed into a prime (54221153243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109759173 + ... + 109759666.

It is an arithmetic number, because the mean of its divisors is an integer number (7683159400).

Almost surely, 254221153233 is an apocalyptic number.

It is an amenable number.

54221153233 is a deficient number, since it is larger than the sum of its proper divisors (7244121967).

54221153233 is a wasteful number, since it uses less digits than its factorization.

54221153233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219518871.

The product of its digits is 21600, while the sum is 31.

Adding to 54221153233 its reverse (33235112245), we get a palindrome (87456265478).

The spelling of 54221153233 in words is "fifty-four billion, two hundred twenty-one million, one hundred fifty-three thousand, two hundred thirty-three".

Divisors: 1 13 19 247 219518839 2853744907 4170857941 54221153233