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427473181252 = 2213348642829
BaseRepresentation
bin1100011100001110110…
…00110001101001000100
31111212101100012120200101
412032013120301221010
524000431113300002
6524213425453444
742612120042235
oct6160730615104
91455340176611
10427473181252
11155321515077
126aa1baa1284
1331406374000
1416992bb908c
15b1bd79a587
hex6387631a44

427473181252 has 24 divisors (see below), whose sum is σ = 810389547800. Its totient is φ = 197295310368.

The previous prime is 427473181231. The next prime is 427473181259. The reversal of 427473181252 is 252181374724.

It can be written as a sum of positive squares in 4 ways, for example, as 290945887236 + 136527294016 = 539394^2 + 369496^2 .

It is not an unprimeable number, because it can be changed into a prime (427473181259) 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 7 ways as a sum of consecutive naturals, for example, 24312627 + ... + 24330202.

Almost surely, 2427473181252 is an apocalyptic number.

It is an amenable number.

427473181252 is a deficient number, since it is larger than the sum of its proper divisors (382916366548).

427473181252 is a wasteful number, since it uses less digits than its factorization.

427473181252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48642872 (or 48642844 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The spelling of 427473181252 in words is "four hundred twenty-seven billion, four hundred seventy-three million, one hundred eighty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 169 338 676 2197 4394 8788 48642829 97285658 194571316 632356777 1264713554 2529427108 8220638101 16441276202 32882552404 106868295313 213736590626 427473181252