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47804928489 = 3317433976101
BaseRepresentation
bin101100100001011001…
…010101000111101001
311120101121101222121000
4230201121111013221
51240401030202424
633543345305213
73311436121233
oct544131250751
9146347358530
1047804928489
11193016aa36a
129321935209
13467b075746
142456db7253
15139bced3c9
hexb216551e9

47804928489 has 64 divisors (see below), whose sum is σ = 76937921280. Its totient is φ = 29219097600.

The previous prime is 47804928481. The next prime is 47804928497. The reversal of 47804928489 is 98482940874.

47804928489 is a `hidden beast` number, since 478 + 0 + 4 + 9 + 2 + 84 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (47804928481) and next prime (47804928497).

It is not a de Polignac number, because 47804928489 - 23 = 47804928481 is a prime.

It is a super-2 number, since 2×478049284892 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47804928481) 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 63 ways as a sum of consecutive naturals, for example, 7832539 + ... + 7838639.

It is an arithmetic number, because the mean of its divisors is an integer number (1202155020).

Almost surely, 247804928489 is an apocalyptic number.

It is an amenable number.

47804928489 is a deficient number, since it is larger than the sum of its proper divisors (29132992791).

47804928489 is a wasteful number, since it uses less digits than its factorization.

47804928489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567 (or 6561 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 47804928489 in words is "forty-seven billion, eight hundred four million, nine hundred twenty-eight thousand, four hundred eighty-nine".

Divisors: 1 3 9 17 27 43 51 129 153 387 397 459 731 1161 1191 2193 3573 6101 6579 6749 10719 17071 18303 19737 20247 51213 54909 60741 103717 153639 164727 182223 262343 290207 311151 460917 787029 870621 933453 2361087 2422097 2611863 2800359 4459831 7083261 7266291 7835589 13379493 21798873 40138479 41175649 65396619 104150171 120415437 123526947 312450513 370580841 937351539 1111742523 1770552907 2812054617 5311658721 15934976163 47804928489