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2102010201 = 32599389911
BaseRepresentation
bin111110101001010…
…0010000101011001
312102111022011220200
41331102202011121
513301103311301
6544325212413
7103042535424
oct17522420531
95374264820
102102010201
11989591415
124a7b61109
13276642b25
1415d2509bb
15c4812c86
hex7d4a2159

2102010201 has 12 divisors (see below), whose sum is σ = 3041313600. Its totient is φ = 1398997080.

The previous prime is 2102010193. The next prime is 2102010221. The reversal of 2102010201 is 1020102012.

It is not a de Polignac number, because 2102010201 - 23 = 2102010193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2102010221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189565 + ... + 200346.

It is an arithmetic number, because the mean of its divisors is an integer number (253442800).

Almost surely, 22102010201 is an apocalyptic number.

It is an amenable number.

2102010201 is a deficient number, since it is larger than the sum of its proper divisors (939303399).

2102010201 is a wasteful number, since it uses less digits than its factorization.

2102010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390516 (or 390513 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2102010201 is about 45847.6847943274. The cubic root of 2102010201 is about 1280.9876412690.

Adding to 2102010201 its reverse (1020102012), we get a palindrome (3122112213).

It can be divided in two parts, 2 and 102010201, that multiplied together give a palindrome (204020402).

The spelling of 2102010201 in words is "two billion, one hundred two million, ten thousand, two hundred one".

Divisors: 1 3 9 599 1797 5391 389911 1169733 3509199 233556689 700670067 2102010201