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42242330023 = 51157825739
BaseRepresentation
bin100111010101110101…
…101100110110100111
311001000221101201000121
4213111311230312213
51143003014030043
631223355422411
73023542611055
oct472565546647
9131027351017
1042242330023
1116a0776a853
12822aa54a07
133ca27b516a
14208a3071d5
1511737b5ded
hex9d5d6cda7

42242330023 has 4 divisors (see below), whose sum is σ = 42243206920. Its totient is φ = 42241453128.

The previous prime is 42242330021. The next prime is 42242330041. The reversal of 42242330023 is 32003324224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42242330023 - 21 = 42242330021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42242330023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242330021) 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, 361713 + ... + 464026.

It is an arithmetic number, because the mean of its divisors is an integer number (10560801730).

Almost surely, 242242330023 is an apocalyptic number.

42242330023 is a deficient number, since it is larger than the sum of its proper divisors (876897).

42242330023 is an equidigital number, since it uses as much as digits as its factorization.

42242330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876896.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 42242330023 its reverse (32003324224), we get a palindrome (74245654247).

The spelling of 42242330023 in words is "forty-two billion, two hundred forty-two million, three hundred thirty thousand, twenty-three".

Divisors: 1 51157 825739 42242330023