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212002011001 = 11197313895393
BaseRepresentation
bin1100010101110001001…
…1011111011101111001
3202021012210012000102101
43011130103133131321
511433140003323001
6241220430503401
721213415234504
oct3053423373571
9667183160371
10212002011001
1181a00676760
1235107064b61
1316cb7a09131
14a3920a413b
1557abe90a01
hex315c4df779

212002011001 has 16 divisors (see below), whose sum is σ = 246782197440. Its totient is φ = 180084280320.

The previous prime is 212002010999. The next prime is 212002011029. The reversal of 212002011001 is 100110200212.

It is a cyclic number.

It is not a de Polignac number, because 212002011001 - 21 = 212002010999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212002011041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6932440 + ... + 6962953.

It is an arithmetic number, because the mean of its divisors is an integer number (15423887340).

Almost surely, 2212002011001 is an apocalyptic number.

It is an amenable number.

212002011001 is a deficient number, since it is larger than the sum of its proper divisors (34780186439).

212002011001 is a wasteful number, since it uses less digits than its factorization.

212002011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13895496.

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

Adding to 212002011001 its reverse (100110200212), we get a palindrome (312112211213).

The spelling of 212002011001 in words is "two hundred twelve billion, two million, eleven thousand, one".

Divisors: 1 11 19 73 209 803 1387 15257 13895393 152849323 264012467 1014363689 2904137137 11158000579 19272910091 212002011001