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2002100011 = 10391926949
BaseRepresentation
bin111011101010101…
…1001111100101011
312011112022012220021
41313111121330223
513100014200021
6530355541311
7100420366162
oct16725317453
95145265807
102002100011
1193815140a
1247a5ba837
1325ba31182
1414dc843d9
15bab79c41
hex77559f2b

2002100011 has 4 divisors (see below), whose sum is σ = 2004028000. Its totient is φ = 2000172024.

The previous prime is 2002099943. The next prime is 2002100027. The reversal of 2002100011 is 1100012002.

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

It is a cyclic number.

It is not a de Polignac number, because 2002100011 - 29 = 2002099499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002099967 and 2002100003.

It is not an unprimeable number, because it can be changed into a prime (2002100071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962436 + ... + 964513.

It is an arithmetic number, because the mean of its divisors is an integer number (501007000).

Almost surely, 22002100011 is an apocalyptic number.

2002100011 is a deficient number, since it is larger than the sum of its proper divisors (1927989).

2002100011 is a wasteful number, since it uses less digits than its factorization.

2002100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927988.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2002100011 is about 44744.8322267499. The cubic root of 2002100011 is about 1260.3618703202.

Adding to 2002100011 its reverse (1100012002), we get a palindrome (3102112013).

The spelling of 2002100011 in words is "two billion, two million, one hundred thousand, eleven".

Divisors: 1 1039 1926949 2002100011