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54221521046 = 27211172958721
BaseRepresentation
bin110010011111110110…
…101100000010010110
312011221210100122211012
4302133312230002112
51342021202133141
640524203212222
73626442216200
oct623766540226
9164853318735
1054221521046
1120aa46a9320
12a612817072
135161542284
1428a5269770
1516252c5ceb
hexc9fdac096

54221521046 has 48 divisors (see below), whose sum is σ = 109283355792. Its totient is φ = 19882598400.

The previous prime is 54221521027. The next prime is 54221521121. The reversal of 54221521046 is 64012512245.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1461035 + ... + 1497686.

It is an arithmetic number, because the mean of its divisors is an integer number (2276736579).

Almost surely, 254221521046 is an apocalyptic number.

54221521046 is an abundant number, since it is smaller than the sum of its proper divisors (55061834746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54221521046 is a wasteful number, since it uses less digits than its factorization.

54221521046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958765 (or 2958758 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 54221521046 in words is "fifty-four billion, two hundred twenty-one million, five hundred twenty-one thousand, forty-six".

Divisors: 1 2 7 11 14 17 22 34 49 77 98 119 154 187 238 374 539 833 1078 1309 1666 2618 9163 18326 2958721 5917442 20711047 32545931 41422094 50298257 65091862 100596514 144977329 227821517 289954658 352087799 455643034 553280827 704175598 1106561654 1594750619 2464614593 3189501238 3872965789 4929229186 7745931578 27110760523 54221521046