Search a number
-
+
42030212311 = 47298887759
BaseRepresentation
bin100111001001001100…
…100010010011010111
311000111011021000020001
4213021030202103113
51142034213243221
631150341152131
73015355624063
oct471114422327
9130434230201
1042030212311
1116908a6065a
12818b9bb647
133c6a877419
14206a08caa3
15115ed66391
hex9c93224d7

42030212311 has 4 divisors (see below), whose sum is σ = 42039104800. Its totient is φ = 42021319824.

The previous prime is 42030212281. The next prime is 42030212321. The reversal of 42030212311 is 11321203024.

It is a happy number.

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 42030212311 - 211 = 42030210263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030212321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4439151 + ... + 4448608.

It is an arithmetic number, because the mean of its divisors is an integer number (10509776200).

Almost surely, 242030212311 is an apocalyptic number.

42030212311 is a deficient number, since it is larger than the sum of its proper divisors (8892489).

42030212311 is an equidigital number, since it uses as much as digits as its factorization.

42030212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892488.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 42030212311 its reverse (11321203024), we get a palindrome (53351415335).

The spelling of 42030212311 in words is "forty-two billion, thirty million, two hundred twelve thousand, three hundred eleven".

Divisors: 1 4729 8887759 42030212311