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2002880129 is a prime number
BaseRepresentation
bin111011101100001…
…1000011010000001
312011120202212000112
41313120120122001
513100214131004
6530424401105
7100430125445
oct16730303201
95146685015
102002880129
11938634538
1247a916195
1325bc45293
14150008825
15bac80e6e
hex77618681

2002880129 has 2 divisors, whose sum is σ = 2002880130. Its totient is φ = 2002880128.

The previous prime is 2002880093. The next prime is 2002880167. The reversal of 2002880129 is 9210882002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1826707600 + 176172529 = 42740^2 + 13273^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002880129 - 220 = 2001831553 is a prime.

It is a super-2 number, since 2×20028801292 = 8023057622286113282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2002880095 and 2002880104.

It is not a weakly prime, because it can be changed into another prime (2002880179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001440064 + 1001440065.

It is an arithmetic number, because the mean of its divisors is an integer number (1001440065).

Almost surely, 22002880129 is an apocalyptic number.

It is an amenable number.

2002880129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002880129 is an equidigital number, since it uses as much as digits as its factorization.

2002880129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2002880129 is about 44753.5487866605. The cubic root of 2002880129 is about 1260.5255490073.

The spelling of 2002880129 in words is "two billion, two million, eight hundred eighty thousand, one hundred twenty-nine".