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2002010211987 = 310122349959377
BaseRepresentation
bin11101001000100001000…
…110111000011010010011
321002101112112102012101220
4131020201012320122103
5230300104103240422
64131413310500123
7264432452011302
oct35104106703223
97071475365356
102002010211987
11702058632905
12284005204643
13116a33b75916
146cc7d846439
153712470ae5c
hex1d2211b8693

2002010211987 has 32 divisors (see below), whose sum is σ = 2713337088000. Its totient is φ = 1312874611200.

The previous prime is 2002010211977. The next prime is 2002010212021. The reversal of 2002010211987 is 7891120102002.

It is not a de Polignac number, because 2002010211987 - 26 = 2002010211923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2002010211977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33687243 + ... + 33746619.

It is an arithmetic number, because the mean of its divisors is an integer number (84791784000).

Almost surely, 22002010211987 is an apocalyptic number.

2002010211987 is a deficient number, since it is larger than the sum of its proper divisors (711326876013).

2002010211987 is a wasteful number, since it uses less digits than its factorization.

2002010211987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60203.

The product of its (nonzero) digits is 4032, while the sum is 33.

Adding to 2002010211987 its reverse (7891120102002), we get a palindrome (9893130313989).

The spelling of 2002010211987 in words is "two trillion, two billion, ten million, two hundred eleven thousand, nine hundred eighty-seven".

Divisors: 1 3 101 223 303 499 669 1497 22523 50399 59377 67569 111277 151197 178131 333831 5997077 11238977 13241071 17991231 29629123 33716931 39723213 88887369 1337348171 2992541423 4012044513 6607294429 8977624269 19821883287 667336737329 2002010211987