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2000120023 = 1117103103843
BaseRepresentation
bin111011100110111…
…0110100011010111
312011101120121212101
41313031312203113
513044012320043
6530245302531
7100364511466
oct16715664327
95141517771
102000120023
11937019860
12479a04a47
1325b4b9b95
1414d8ca9dd
15ba8d824d
hex773768d7

2000120023 has 16 divisors (see below), whose sum is σ = 2332751616. Its totient is φ = 1694701440.

The previous prime is 2000120011. The next prime is 2000120027. The reversal of 2000120023 is 3200210002.

It is not a de Polignac number, because 2000120023 - 25 = 2000119991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000119991 and 2000120009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000120027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32661 + ... + 71182.

It is an arithmetic number, because the mean of its divisors is an integer number (145796976).

Almost surely, 22000120023 is an apocalyptic number.

2000120023 is a deficient number, since it is larger than the sum of its proper divisors (332631593).

2000120023 is a wasteful number, since it uses less digits than its factorization.

2000120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103974.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2000120023 is about 44722.7014277984. The cubic root of 2000120023 is about 1259.9462526414.

Adding to 2000120023 its reverse (3200210002), we get a palindrome (5200330025).

The spelling of 2000120023 in words is "two billion, one hundred twenty thousand, twenty-three".

Divisors: 1 11 17 103 187 1133 1751 19261 103843 1142273 1765331 10695829 19418641 117654119 181829093 2000120023