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53944331144 = 23112437125153
BaseRepresentation
bin110010001111010101…
…010010101110001000
312011020110202221202112
4302033111102232020
51340434222044034
640440502121452
73616535151314
oct621725225610
9164213687675
1053944331144
1120972194460
12a555a20288
135118c9c992
14287a512b44
15160acc07ce
hexc8f552b88

53944331144 has 32 divisors (see below), whose sum is σ = 110349591840. Its totient is φ = 24518169600.

The previous prime is 53944331141. The next prime is 53944331173. The reversal of 53944331144 is 44113344935.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53944331141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132072 + ... + 2157224.

It is an arithmetic number, because the mean of its divisors is an integer number (3448424745).

Almost surely, 253944331144 is an apocalyptic number.

It is an amenable number.

53944331144 is an abundant number, since it is smaller than the sum of its proper divisors (56405260696).

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

53944331144 is a wasteful number, since it uses less digits than its factorization.

53944331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49541 (or 49537 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 53944331144 in words is "fifty-three billion, nine hundred forty-four million, three hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 24371 25153 48742 50306 97484 100612 194968 201224 268081 276683 536162 553366 1072324 1106732 2144648 2213464 613003763 1226007526 2452015052 4904030104 6743041393 13486082786 26972165572 53944331144