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75265082007 = 31271481133387
BaseRepresentation
bin100011000011000100…
…1100000001010010111
321012021100112022120220
41012012021200022113
52213120330111012
654324251525423
75303065432653
oct1060611401227
9235240468526
1075265082007
1129a131a4115
1212706159873
1371361996ab
1438ddd9ba63
151e5797a08c
hex1186260297

75265082007 has 16 divisors (see below), whose sum is σ = 101212680192. Its totient is φ = 49747642560.

The previous prime is 75265081993. The next prime is 75265082017. The reversal of 75265082007 is 70028056257.

It is not a de Polignac number, because 75265082007 - 26 = 75265081943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75265082007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75265082017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497568 + ... + 630954.

It is an arithmetic number, because the mean of its divisors is an integer number (6325792512).

Almost surely, 275265082007 is an apocalyptic number.

75265082007 is a deficient number, since it is larger than the sum of its proper divisors (25947598185).

75265082007 is a wasteful number, since it uses less digits than its factorization.

75265082007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134998.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 75265082007 in words is "seventy-five billion, two hundred sixty-five million, eighty-two thousand, seven".

Divisors: 1 3 127 381 1481 4443 133387 188087 400161 564261 16940149 50820447 197546147 592638441 25088360669 75265082007