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74543470040 = 235131371046371
BaseRepresentation
bin100010101101100100…
…0110001010111011000
321010102001200122001202
41011123020301113120
52210131112020130
654124513133332
75246154016664
oct1053310612730
9233361618052
1074543470040
1129682933396
121254455a248
13704c831270
1438721d98a4
151e14439145
hex115b2315d8

74543470040 has 64 divisors (see below), whose sum is σ = 181943163360. Its totient is φ = 27322813440.

The previous prime is 74543470033. The next prime is 74543470063. The reversal of 74543470040 is 4007434547.

It is a junction number, because it is equal to n+sod(n) for n = 74543469976 and 74543470003.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 451946 + ... + 594425.

Almost surely, 274543470040 is an apocalyptic number.

It is an amenable number.

74543470040 is an abundant number, since it is smaller than the sum of its proper divisors (107399693320).

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

74543470040 is a wasteful number, since it uses less digits than its factorization.

74543470040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046532 (or 1046528 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 38.

The spelling of 74543470040 in words is "seventy-four billion, five hundred forty-three million, four hundred seventy thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 137 260 274 520 548 685 1096 1370 1781 2740 3562 5480 7124 8905 14248 17810 35620 71240 1046371 2092742 4185484 5231855 8370968 10463710 13602823 20927420 27205646 41854840 54411292 68014115 108822584 136028230 143352827 272056460 286705654 544112920 573411308 716764135 1146822616 1433528270 1863586751 2867056540 3727173502 5734113080 7454347004 9317933755 14908694008 18635867510 37271735020 74543470040