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2031020423 = 29659910613
BaseRepresentation
bin111100100001110…
…1110100110000111
312020112201112020122
41321003232212013
513124420123143
6533311452155
7101221250225
oct17103564607
95215645218
102031020423
11952504783
1248822705b
13264a18943
14153a51b15
15bd48dc68
hex790ee987

2031020423 has 8 divisors (see below), whose sum is σ = 2101572000. Its totient is φ = 1960503328.

The previous prime is 2031020389. The next prime is 2031020443. The reversal of 2031020423 is 3240201302.

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

It is a cyclic number.

It is not a de Polignac number, because 2031020423 - 224 = 2014243207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031020443) 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 7 ways as a sum of consecutive naturals, for example, 186065 + ... + 196677.

It is an arithmetic number, because the mean of its divisors is an integer number (262696500).

Almost surely, 22031020423 is an apocalyptic number.

2031020423 is a deficient number, since it is larger than the sum of its proper divisors (70551577).

2031020423 is a wasteful number, since it uses less digits than its factorization.

2031020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17241.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2031020423 is about 45066.8439431918. The cubic root of 2031020423 is about 1266.4015405475.

Adding to 2031020423 its reverse (3240201302), we get a palindrome (5271221725).

The spelling of 2031020423 in words is "two billion, thirty-one million, twenty thousand, four hundred twenty-three".

Divisors: 1 29 6599 10613 191371 307777 70035187 2031020423