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12434432443 = 731071591913
BaseRepresentation
bin10111001010010011…
…00110000110111011
31012002120120121121221
423211021212012323
5200431203314233
65413505012511
7620064634426
oct134511460673
935076517557
1012434432443
115300a05154
1224b0324137
131232170744
1485d5c69bd
154cb98642d
hex2e52661bb

12434432443 has 8 divisors (see below), whose sum is σ = 12722576688. Its totient is φ = 12149472384.

The previous prime is 12434432411. The next prime is 12434432453. The reversal of 12434432443 is 34423443421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12434432443 - 25 = 12434432411 is a prime.

It is a super-2 number, since 2×124344324432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12434432399 and 12434432408.

It is not an unprimeable number, because it can be changed into a prime (12434432453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788146 + ... + 803767.

It is an arithmetic number, because the mean of its divisors is an integer number (1590322086).

Almost surely, 212434432443 is an apocalyptic number.

12434432443 is a deficient number, since it is larger than the sum of its proper divisors (288144245).

12434432443 is a wasteful number, since it uses less digits than its factorization.

12434432443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592093.

The product of its digits is 110592, while the sum is 34.

Adding to 12434432443 its reverse (34423443421), we get a palindrome (46857875864).

The spelling of 12434432443 in words is "twelve billion, four hundred thirty-four million, four hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 73 107 7811 1591913 116209649 170334691 12434432443