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54424042015 = 5721811936359
BaseRepresentation
bin110010101011111011…
…001111101000011111
312012110220102210100211
4302223323033220133
51342430023321030
641000240033251
73634451503300
oct625373175037
9165426383324
1054424042015
1121098a53322
12a66a602827
13519449cb75
1428c41067a7
151637e7c12a
hexcabecfa1f

54424042015 has 48 divisors (see below), whose sum is σ = 76799136960. Its totient is φ = 36915056640.

The previous prime is 54424041979. The next prime is 54424042021. The reversal of 54424042015 is 51024042445.

It is not a de Polignac number, because 54424042015 - 217 = 54423910943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8555406 + ... + 8561764.

It is an arithmetic number, because the mean of its divisors is an integer number (1599982020).

Almost surely, 254424042015 is an apocalyptic number.

54424042015 is a deficient number, since it is larger than the sum of its proper divisors (22375094945).

54424042015 is a wasteful number, since it uses less digits than its factorization.

54424042015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752 (or 6745 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The spelling of 54424042015 in words is "fifty-four billion, four hundred twenty-four million, forty-two thousand, fifteen".

Divisors: 1 5 7 35 49 181 193 245 905 965 1267 1351 6335 6359 6755 8869 9457 31795 34933 44345 44513 47285 174665 222565 244531 311591 1150979 1222655 1227287 1557955 1711717 5754895 6136435 8056853 8558585 8591009 40284265 42955045 56397971 60137063 222138947 281989855 300685315 1110694735 1554972629 7774863145 10884808403 54424042015