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420242110023 = 3178240041373
BaseRepresentation
bin1100001110110000110…
…00011011011001000111
31111011201101200002202110
412013120120123121013
523341123440010043
6521020114512103
742234663666021
oct6073030333107
91434641602673
10420242110023
1115225079624a
1269542295633
1330823225338
14164a86ad011
15ade8a3ab33
hex61d861b647

420242110023 has 8 divisors (see below), whose sum is σ = 593282978928. Its totient is φ = 263681323904.

The previous prime is 420242109967. The next prime is 420242110027. The reversal of 420242110023 is 320011242024.

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

It is not a de Polignac number, because 420242110023 - 226 = 420175001159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420242110027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4120020636 + ... + 4120020737.

It is an arithmetic number, because the mean of its divisors is an integer number (74160372366).

Almost surely, 2420242110023 is an apocalyptic number.

420242110023 is a deficient number, since it is larger than the sum of its proper divisors (173040868905).

420242110023 is a wasteful number, since it uses less digits than its factorization.

420242110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8240041393.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 420242110023 its reverse (320011242024), we get a palindrome (740253352047).

The spelling of 420242110023 in words is "four hundred twenty billion, two hundred forty-two million, one hundred ten thousand, twenty-three".

Divisors: 1 3 17 51 8240041373 24720124119 140080703341 420242110023