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54021988484 = 22232695573919
BaseRepresentation
bin110010010011111101…
…100010000010000100
312011102212220100121022
4302103331202002010
51341114112112414
640452314410312
73621500216462
oct622375420204
9164385810538
1054021988484
1120a02005582
12a577a30998
13512c0bc979
142886969832
151612a1018e
hexc93f62084

54021988484 has 48 divisors (see below), whose sum is σ = 99218649600. Its totient is φ = 25687787136.

The previous prime is 54021988477. The next prime is 54021988513. The reversal of 54021988484 is 48488912045.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13782677 + ... + 13786595.

It is an arithmetic number, because the mean of its divisors is an integer number (2067055200).

Almost surely, 254021988484 is an apocalyptic number.

It is an amenable number.

54021988484 is a deficient number, since it is larger than the sum of its proper divisors (45196661116).

54021988484 is a wasteful number, since it uses less digits than its factorization.

54021988484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 54021988484 in words is "fifty-four billion, twenty-one million, nine hundred eighty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 23 46 92 269 538 557 1076 1114 2228 3919 6187 7838 12374 12811 15676 24748 25622 51244 90137 149833 180274 299666 360548 599332 1054211 2108422 2182883 3446159 4216844 4365766 6892318 8731532 13784636 24246853 48493706 50206309 96987412 100412618 200825236 587195527 1174391054 2348782108 13505497121 27010994242 54021988484