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2002101011 = 11631721497
BaseRepresentation
bin111011101010101…
…1010001100010011
312011112022021021022
41313111122030103
513100014213021
6530355550055
7100420402121
oct16725321423
95145267238
102002101011
11938152139
1247a5bb32b
1325ba31771
1414dc84911
15bab7a1ab
hex7755a313

2002101011 has 4 divisors (see below), whose sum is σ = 2003823672. Its totient is φ = 2000378352.

The previous prime is 2002100983. The next prime is 2002101019. The reversal of 2002101011 is 1101012002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002101011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002101011.

It is not an unprimeable number, because it can be changed into a prime (2002101019) 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 in 3 ways as a sum of consecutive naturals, for example, 859586 + ... + 861911.

It is an arithmetic number, because the mean of its divisors is an integer number (500955918).

Almost surely, 22002101011 is an apocalyptic number.

2002101011 is a deficient number, since it is larger than the sum of its proper divisors (1722661).

2002101011 is a wasteful number, since it uses less digits than its factorization.

2002101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722660.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2002101011 is about 44744.8434012233. The cubic root of 2002101011 is about 1260.3620801602.

Adding to 2002101011 its reverse (1101012002), we get a palindrome (3103113013).

The spelling of 2002101011 in words is "two billion, two million, one hundred one thousand, eleven".

Divisors: 1 1163 1721497 2002101011