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74170223057 = 779340739367
BaseRepresentation
bin100010100010011100…
…0111100100111010001
321002110001100201110102
41011010320330213101
52203400034114212
654023501142145
75234002331240
oct1050470744721
9232401321412
1074170223057
1129501180407
121245b55a955
136cc03c8a68
1438387da957
151de17ac5c2
hex1144e3c9d1

74170223057 has 16 divisors (see below), whose sum is σ = 85866332160. Its totient is φ = 62749718928.

The previous prime is 74170223011. The next prime is 74170223081. The reversal of 74170223057 is 75032207147.

It is a cyclic number.

It is not a de Polignac number, because 74170223057 - 212 = 74170218961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74170223057.

It is not an unprimeable number, because it can be changed into a prime (74170223957) 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 15 ways as a sum of consecutive naturals, for example, 1864388 + ... + 1903754.

It is an arithmetic number, because the mean of its divisors is an integer number (5366645760).

Almost surely, 274170223057 is an apocalyptic number.

It is an amenable number.

74170223057 is a deficient number, since it is larger than the sum of its proper divisors (11696109103).

74170223057 is a wasteful number, since it uses less digits than its factorization.

74170223057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42860.

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 74170223057 in words is "seventy-four billion, one hundred seventy million, two hundred twenty-three thousand, fifty-seven".

Divisors: 1 7 79 553 3407 23849 39367 269153 275569 1884071 3109993 21769951 134123369 938863583 10595746151 74170223057