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74454089206 = 27191312136661
BaseRepresentation
bin100010101010111001…
…1110011110111110110
321010011211111121121111
41011111303303313312
52204440221323311
654112001305234
75244020213320
oct1052563636766
9233154447544
1074454089206
1129637435232
121251a63521a
1370371680b3
1438643b0610
151e0b680d21
hex1155cf3df6

74454089206 has 32 divisors (see below), whose sum is σ = 135378904320. Its totient is φ = 29998706400.

The previous prime is 74454089201. The next prime is 74454089207. The reversal of 74454089206 is 60298045447.

It is a super-2 number, since 2×744540892062 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 74454089206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74454089201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1033485 + ... + 1103176.

It is an arithmetic number, because the mean of its divisors is an integer number (4230590760).

Almost surely, 274454089206 is an apocalyptic number.

74454089206 is a deficient number, since it is larger than the sum of its proper divisors (60924815114).

74454089206 is a wasteful number, since it uses less digits than its factorization.

74454089206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136820.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 74454089206 in words is "seventy-four billion, four hundred fifty-four million, eighty-nine thousand, two hundred six".

Divisors: 1 2 7 14 19 38 131 133 262 266 917 1834 2489 4978 17423 34846 2136661 4273322 14956627 29913254 40596559 81193118 279902591 284175913 559805182 568351826 1959318137 3918636274 5318149229 10636298458 37227044603 74454089206