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2020130123 = 11530334631
BaseRepresentation
bin111100001101000…
…1011110101001011
312012210020020120012
41320122023311023
513114123130443
6532242222135
7101026552124
oct17032136513
95183206505
102020130123
11947346730
1248465494b
132626a4a8b
1415241904b
15bc53c118
hex7868bd4b

2020130123 has 8 divisors (see below), whose sum is σ = 2204257536. Its totient is φ = 1836082600.

The previous prime is 2020130117. The next prime is 2020130129. The reversal of 2020130123 is 3210310202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2020130117) and next prime (2020130129).

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

It is not a de Polignac number, because 2020130123 - 216 = 2020064587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020130098 and 2020130107.

It is not an unprimeable number, because it can be changed into a prime (2020130129) 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, 41018 + ... + 75648.

It is an arithmetic number, because the mean of its divisors is an integer number (275532192).

Almost surely, 22020130123 is an apocalyptic number.

2020130123 is a deficient number, since it is larger than the sum of its proper divisors (184127413).

2020130123 is a wasteful number, since it uses less digits than its factorization.

2020130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2020130123 is about 44945.8576845520. The cubic root of 2020130123 is about 1264.1340077421.

Adding to 2020130123 its reverse (3210310202), we get a palindrome (5230440325).

The spelling of 2020130123 in words is "two billion, twenty million, one hundred thirty thousand, one hundred twenty-three".

Divisors: 1 11 5303 34631 58333 380941 183648193 2020130123