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75319896906 = 23247369124121
BaseRepresentation
bin100011000100101101…
…0100110101101001010
321012102011200012111100
41012021122212231022
52213223343200111
654333530442230
75304332363112
oct1061132465512
9235364605440
1075319896906
1129a41133391
1212720593376
13714464c547
14390738a042
151e5c6a6756
hex11896a6b4a

75319896906 has 48 divisors (see below), whose sum is σ = 166717369728. Its totient is φ = 24564772800.

The previous prime is 75319896901. The next prime is 75319896923. The reversal of 75319896906 is 60969891357.

75319896906 is a `hidden beast` number, since 7 + 531 + 9 + 8 + 9 + 6 + 90 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (75319896901) 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 23 ways as a sum of consecutive naturals, for example, 3110526 + ... + 3134646.

It is an arithmetic number, because the mean of its divisors is an integer number (3473278536).

Almost surely, 275319896906 is an apocalyptic number.

75319896906 is an abundant number, since it is smaller than the sum of its proper divisors (91397472822).

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

75319896906 is a wasteful number, since it uses less digits than its factorization.

75319896906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27867 (or 27864 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 75319896906 in words is "seventy-five billion, three hundred nineteen million, eight hundred ninety-six thousand, nine hundred six".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 3691 7382 11073 22146 24121 33219 48242 66438 72363 144726 173477 217089 346954 434178 520431 1040862 1133687 1561293 2267374 3122586 3401061 6802122 10203183 20406366 89030611 178061222 267091833 534183666 801275499 1602550998 4184438717 8368877434 12553316151 25106632302 37659948453 75319896906