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74990752554 = 23311847218287
BaseRepresentation
bin100010111010111001…
…1000001001100101010
321011120020022221022210
41011311303001030222
52212040113040204
654241132025550
75263224610434
oct1056563011452
9234506287283
1074990752554
1129892363363
121264a3022b6
1370c13b9083
1438b578b654
151e3d83c389
hex1175cc132a

74990752554 has 32 divisors (see below), whose sum is σ = 154904150016. Its totient is φ = 24177357360.

The previous prime is 74990752549. The next prime is 74990752561. The reversal of 74990752554 is 45525709947.

It is a super-2 number, since 2×749907525542 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 74990752494 and 74990752503.

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, 234399 + ... + 452685.

It is an arithmetic number, because the mean of its divisors is an integer number (4840754688).

Almost surely, 274990752554 is an apocalyptic number.

74990752554 is an abundant number, since it is smaller than the sum of its proper divisors (79913397462).

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

74990752554 is a wasteful number, since it uses less digits than its factorization.

74990752554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220170.

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 74990752554 in words is "seventy-four billion, nine hundred ninety million, seven hundred fifty-two thousand, five hundred fifty-four".

Divisors: 1 2 3 6 31 62 93 186 1847 3694 5541 11082 57257 114514 171771 218287 343542 436574 654861 1309722 6766897 13533794 20300691 40601382 403176089 806352178 1209528267 2419056534 12498458759 24996917518 37495376277 74990752554