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2008157023 is a prime number
BaseRepresentation
bin111011110110010…
…0000101101011111
312011221200221120001
41313230200231133
513103042011043
6531133435131
7100523024125
oct16754405537
95157627501
102008157023
11940609104
1248063baa7
132600720c2
141509bd915
15bb47474d
hex77b20b5f

2008157023 has 2 divisors, whose sum is σ = 2008157024. Its totient is φ = 2008157022.

The previous prime is 2008157009. The next prime is 2008157059. The reversal of 2008157023 is 3207518002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2008157023 - 25 = 2008156991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2008156982 and 2008157000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2008157083) 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 as a sum of consecutive naturals, namely, 1004078511 + 1004078512.

It is an arithmetic number, because the mean of its divisors is an integer number (1004078512).

Almost surely, 22008157023 is an apocalyptic number.

2008157023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008157023 is an equidigital number, since it uses as much as digits as its factorization.

2008157023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2008157023 is about 44812.4650404327. The cubic root of 2008157023 is about 1261.6315940040.

The spelling of 2008157023 in words is "two billion, eight million, one hundred fifty-seven thousand, twenty-three".