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42242232430 = 254224223243
BaseRepresentation
bin100111010101110101…
…010101000001101110
311001000221012202011001
4213111311111001232
51143003002414210
631223353350514
73023542023406
oct472565250156
9131027182131
1042242232430
1116a077034a2
12822aa0843a
133ca277c908
14208a2bd806
15117379703a
hex9d5d5506e

42242232430 has 8 divisors (see below), whose sum is σ = 76036018392. Its totient is φ = 16896892968.

The previous prime is 42242232379. The next prime is 42242232479. The reversal of 42242232430 is 3423224224.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 2112111612 + ... + 2112111631.

It is an arithmetic number, because the mean of its divisors is an integer number (9504502299).

Almost surely, 242242232430 is an apocalyptic number.

42242232430 is a deficient number, since it is larger than the sum of its proper divisors (33793785962).

42242232430 is a wasteful number, since it uses less digits than its factorization.

42242232430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224223250.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42242232430 its reverse (3423224224), we get a palindrome (45665456654).

The spelling of 42242232430 in words is "forty-two billion, two hundred forty-two million, two hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 4224223243 8448446486 21121116215 42242232430