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2002038989 is a prime number
BaseRepresentation
bin111011101010100…
…1011000011001101
312011112012010012012
41313111023003031
513100010221424
6530354351005
7100420023236
oct16725130315
95145163165
102002038989
1193810a585
1247a58b465
1325ba0c472
1414dc6a08d
15bab66b0e
hex7754b0cd

2002038989 has 2 divisors, whose sum is σ = 2002038990. Its totient is φ = 2002038988.

The previous prime is 2002038959. The next prime is 2002039007. The reversal of 2002038989 is 9898302002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243972900 + 758066089 = 35270^2 + 27533^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002038989 - 220 = 2000990413 is a prime.

It is a super-2 number, since 2×20020389892 = 8016320226952284242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002038959) 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 as a sum of consecutive naturals, namely, 1001019494 + 1001019495.

It is an arithmetic number, because the mean of its divisors is an integer number (1001019495).

Almost surely, 22002038989 is an apocalyptic number.

It is an amenable number.

2002038989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002038989 is an equidigital number, since it uses as much as digits as its factorization.

2002038989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2002038989 is about 44744.1503327530. The cubic root of 2002038989 is about 1260.3490653349.

The spelling of 2002038989 in words is "two billion, two million, thirty-eight thousand, nine hundred eighty-nine".