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42430005401 = 7192131128173
BaseRepresentation
bin100111100001000001…
…101000000010011001
311001112000112121020112
4213201001220002121
51143344040133101
631254142134105
73031312044440
oct474101500231
9131460477215
1042430005401
1116aa36a5073
128281881335
134002645794
1420a71dbd57
151184ed86bb
hex9e1068099

42430005401 has 24 divisors (see below), whose sum is σ = 51569014464. Its totient is φ = 34191162720.

The previous prime is 42430005379. The next prime is 42430005433. The reversal of 42430005401 is 10450003424.

It is a de Polignac number, because none of the positive numbers 2k-42430005401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42430005451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266951 + ... + 395123.

It is an arithmetic number, because the mean of its divisors is an integer number (2148708936).

Almost surely, 242430005401 is an apocalyptic number.

It is an amenable number.

42430005401 is a deficient number, since it is larger than the sum of its proper divisors (9139009063).

42430005401 is a wasteful number, since it uses less digits than its factorization.

42430005401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128349 (or 128330 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 42430005401 its reverse (10450003424), we get a palindrome (52880008825).

The spelling of 42430005401 in words is "forty-two billion, four hundred thirty million, five thousand, four hundred one".

Divisors: 1 7 19 131 133 361 917 2489 2527 17423 47291 128173 331037 897211 2435287 16790663 17047009 46270453 117534641 319022597 323893171 2233158179 6061429343 42430005401