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75312732053 = 13172373202967
BaseRepresentation
bin100011000100011111…
…1010001011110010101
321012101200012012011102
41012020333101132111
52213220024411203
654333113115445
75304214442246
oct1061077213625
9235350165142
1075312732053
1129a3808a319
121271a0b8b85
1371430112a0
143906442ccd
151e5bc3d888
hex1188fd1795

75312732053 has 32 divisors (see below), whose sum is σ = 90838734336. Its totient is φ = 61727643648.

The previous prime is 75312732049. The next prime is 75312732059. The reversal of 75312732053 is 35023721357.

It is a cyclic number.

It is not a de Polignac number, because 75312732053 - 22 = 75312732049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75312731998 and 75312732016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75312732059) 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 31 ways as a sum of consecutive naturals, for example, 269576 + ... + 472542.

It is an arithmetic number, because the mean of its divisors is an integer number (2838710448).

Almost surely, 275312732053 is an apocalyptic number.

75312732053 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

75312732053 is a deficient number, since it is larger than the sum of its proper divisors (15526002283).

75312732053 is a wasteful number, since it uses less digits than its factorization.

75312732053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203093.

The product of its (nonzero) digits is 132300, while the sum is 38.

The spelling of 75312732053 in words is "seventy-five billion, three hundred twelve million, seven hundred thirty-two thousand, fifty-three".

Divisors: 1 13 17 23 73 221 299 391 949 1241 1679 5083 16133 21827 28543 202967 371059 2638571 3450439 4668241 14816591 44855707 60687133 79360097 192615683 251882047 340781593 1031681261 3274466611 4430160709 5793287081 75312732053