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66632044005 = 3254179457151
BaseRepresentation
bin111110000011100101…
…000100110111100101
320100222200221112210200
4332003211010313211
52042430300402010
650335455541113
74546130012652
oct760345046745
9210880845720
1066632044005
112629306296a
1210ab6b2a799
13638b760c97
1433215cac29
151aeead7cc0
hexf83944de5

66632044005 has 48 divisors (see below), whose sum is σ = 119810396160. Its totient is φ = 34231392000.

The previous prime is 66632043991. The next prime is 66632044007. The reversal of 66632044005 is 50044023666.

It is not a de Polignac number, because 66632044005 - 212 = 66632039909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66632044007) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 82821 + ... + 374330.

It is an arithmetic number, because the mean of its divisors is an integer number (2496049920).

Almost surely, 266632044005 is an apocalyptic number.

It is an amenable number.

66632044005 is a deficient number, since it is larger than the sum of its proper divisors (53178352155).

66632044005 is a wasteful number, since it uses less digits than its factorization.

66632044005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457282 (or 457279 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 66632044005 in words is "sixty-six billion, six hundred thirty-two million, forty-four thousand, five".

Divisors: 1 3 5 9 15 41 45 79 123 205 237 369 395 615 711 1185 1845 3239 3555 9717 16195 29151 48585 145755 457151 1371453 2285755 4114359 6857265 18743191 20571795 36114929 56229573 93715955 108344787 168688719 180574645 281147865 325034361 541723935 843443595 1480712089 1625171805 4442136267 7403560445 13326408801 22210681335 66632044005