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211201211010010 = 25133061530749657
BaseRepresentation
bin110000000001011000011101…
…001010001000101111011010
31000200210122020112022002210211
4300001120131022020233122
5210140310040004310020
62025104255155201334
762325532616050444
oct6001303512105732
91020718215262724
10211201211010010
1161327a2667a181
121b8302622a624a
1390b025b87ca70
143a2229c035494
151963c6518085a
hexc0161d288bda

211201211010010 has 32 divisors (see below), whose sum is σ = 409539174104592. Its totient is φ = 77956509473280.

The previous prime is 211201211009983. The next prime is 211201211010061. The reversal of 211201211010010 is 10010112102112.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 139594768490529 + 71606442519481 = 11815023^2 + 8462059^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264976899 + ... + 265772758.

Almost surely, 2211201211010010 is an apocalyptic number.

211201211010010 is a deficient number, since it is larger than the sum of its proper divisors (198337963094582).

211201211010010 is a wasteful number, since it uses less digits than its factorization.

211201211010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530752738.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211201211010010 its reverse (10010112102112), we get a palindrome (221211323112122).

The spelling of 211201211010010 in words is "two hundred eleven trillion, two hundred one billion, two hundred eleven million, ten thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 3061 6122 15305 30610 39793 79586 198965 397930 530749657 1061499314 2653748285 5307496570 6899745541 13799491082 34498727705 68997455410 1624624700077 3249249400154 8123123500385 16246247000770 21120121101001 42240242202002 105600605505005 211201211010010