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6660523492 = 22719118110601
BaseRepresentation
bin1100011001111111…
…11000010111100100
3122012011221122120021
412030333320113210
5102120043222432
63020530044524
7324024341560
oct61477702744
918164848507
106660523492
112908767977
12135a719744
13821b9597c
1447282c6a0
1528eb0d697
hex18cff85e4

6660523492 has 48 divisors (see below), whose sum is σ = 14035351680. Its totient is φ = 2701728000.

The previous prime is 6660523487. The next prime is 6660523501. The reversal of 6660523492 is 2943250666.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 622992 + ... + 633592.

It is an arithmetic number, because the mean of its divisors is an integer number (292403160).

Almost surely, 26660523492 is an apocalyptic number.

It is an amenable number.

6660523492 is an abundant number, since it is smaller than the sum of its proper divisors (7374828188).

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

6660523492 is a wasteful number, since it uses less digits than its factorization.

6660523492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812 (or 11810 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 6660523492 is about 81612.0303141639. The cubic root of 6660523492 is about 1881.4937852349.

The spelling of 6660523492 in words is "six billion, six hundred sixty million, five hundred twenty-three thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 1181 2362 4724 8267 10601 16534 21202 22439 33068 42404 44878 74207 89756 148414 157073 201419 296828 314146 402838 628292 805676 1409933 2819866 5639732 12519781 25039562 50079124 87638467 175276934 237875839 350553868 475751678 951503356 1665130873 3330261746 6660523492