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12443564630 = 2571710456777
BaseRepresentation
bin10111001011011000…
…11011101001010110
31012010012202120122002
423211230123221112
5200441023032010
65414432435302
7620235361040
oct134554335126
935105676562
1012443564630
115306082312
1224b33a8b32
13123401a2c3
148608c2a90
154cc68c1a5
hex2e5b1ba56

12443564630 has 32 divisors (see below), whose sum is σ = 27103968576. Its totient is φ = 4015401984.

The previous prime is 12443564629. The next prime is 12443564669. The reversal of 12443564630 is 3646534421.

It is a congruent number.

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, 5227199 + ... + 5229578.

It is an arithmetic number, because the mean of its divisors is an integer number (846999018).

Almost surely, 212443564630 is an apocalyptic number.

12443564630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12443564630 is an abundant number, since it is smaller than the sum of its proper divisors (14660403946).

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

12443564630 is a wasteful number, since it uses less digits than its factorization.

12443564630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10456808.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 12443564630 in words is "twelve billion, four hundred forty-three million, five hundred sixty-four thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 10456777 20913554 52283885 73197439 104567770 146394878 177765209 355530418 365987195 731974390 888826045 1244356463 1777652090 2488712926 6221782315 12443564630