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42242424430 = 254224242443
BaseRepresentation
bin100111010101110110…
…000011111001101110
311001000221120111112011
4213111312003321232
51143003030040210
631223401431434
73023543453233
oct472566037156
9131027514464
1042242424430
1116a07824778
12822aa9b57a
133ca281911b
14208a32d78a
1511737d3d8a
hex9d5d83e6e

42242424430 has 8 divisors (see below), whose sum is σ = 76036363992. Its totient is φ = 16896969768.

The previous prime is 42242424397. The next prime is 42242424431. The reversal of 42242424430 is 3442424224.

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

It is a junction number, because it is equal to n+sod(n) for n = 42242424392 and 42242424401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242424431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112121212 + ... + 2112121231.

It is an arithmetic number, because the mean of its divisors is an integer number (9504545499).

Almost surely, 242242424430 is an apocalyptic number.

42242424430 is a deficient number, since it is larger than the sum of its proper divisors (33793939562).

42242424430 is a wasteful number, since it uses less digits than its factorization.

42242424430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224242450.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 42242424430 its reverse (3442424224), we get a palindrome (45684848654).

The spelling of 42242424430 in words is "forty-two billion, two hundred forty-two million, four hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 4224242443 8448484886 21121212215 42242424430