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210120002011 = 3167891318677
BaseRepresentation
bin1100001110110000100…
…0001100100111011011
3202002100121212001102201
43003230020030213123
511420311210031021
6240310000511031
721115653356023
oct3035410144733
9662317761381
10210120002011
1181125299527
123488091b477
1316a77b3444a
14a254160a83
1556ebb38591
hex30ec20c9db

210120002011 has 32 divisors (see below), whose sum is σ = 224333936640. Its totient is φ = 196521811200.

The previous prime is 210120001979. The next prime is 210120002033. The reversal of 210120002011 is 110200021012.

It is a cyclic number.

It is not a de Polignac number, because 210120002011 - 25 = 210120001979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210120008011) 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, 24211405 + ... + 24220081.

It is an arithmetic number, because the mean of its divisors is an integer number (7010435520).

Almost surely, 2210120002011 is an apocalyptic number.

210120002011 is a deficient number, since it is larger than the sum of its proper divisors (14213934629).

210120002011 is a wasteful number, since it uses less digits than its factorization.

210120002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210120002011 its reverse (110200021012), we get a palindrome (320320023023).

The spelling of 210120002011 in words is "two hundred ten billion, one hundred twenty million, two thousand, eleven".

Divisors: 1 31 67 89 131 2077 2759 4061 5963 8677 8777 11659 184853 268987 272087 361429 581359 772253 781153 1136687 18022129 23939843 24215743 35237297 51740951 76158029 101165143 1603969481 2360898899 3136119433 6778064581 210120002011