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75840909925 = 5211275785127
BaseRepresentation
bin100011010100001111…
…0000111001001100101
321020202111001101222211
41012220132013021211
52220310233104200
654501341523421
75323260045364
oct1065036071145
9236674041884
1075840909925
112a189242160
1212846b73571
1371c8580b81
1439566517db
151e8d2c0aba
hex11a8787265

75840909925 has 12 divisors (see below), whose sum is σ = 102592067616. Its totient is φ = 55157025200.

The previous prime is 75840909901. The next prime is 75840909953. The reversal of 75840909925 is 52990904857.

It is not a de Polignac number, because 75840909925 - 215 = 75840877157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75840909925.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 137892289 + ... + 137892838.

It is an arithmetic number, because the mean of its divisors is an integer number (8549338968).

Almost surely, 275840909925 is an apocalyptic number.

It is an amenable number.

75840909925 is a deficient number, since it is larger than the sum of its proper divisors (26751157691).

75840909925 is a wasteful number, since it uses less digits than its factorization.

75840909925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275785148 (or 275785143 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 75840909925 in words is "seventy-five billion, eight hundred forty million, nine hundred nine thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 275785127 1378925635 3033636397 6894628175 15168181985 75840909925