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210211212010202 = 21359137034688403
BaseRepresentation
bin101111110010111110011100…
…100111101010001011011010
31000120021222212210112010110022
4233302332130213222023122
5210023100030233311302
62023025410404550442
762164154540310404
oct5762763447521332
91016258783463408
10210211212010202
1160a8608aa917a7
121b6b04116b2422
13903aaa8561a20
1439ca3c3d31b74
1519481219238a2
hexbf2f9c9ea2da

210211212010202 has 16 divisors (see below), whose sum is σ = 345327414778080. Its totient is φ = 95376143127792.

The previous prime is 210211212010193. The next prime is 210211212010213. The reversal of 210211212010202 is 202010212112012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68517342668 + ... + 68517345735.

It is an arithmetic number, because the mean of its divisors is an integer number (21582963423630).

Almost surely, 2210211212010202 is an apocalyptic number.

210211212010202 is a deficient number, since it is larger than the sum of its proper divisors (135116202767878).

210211212010202 is a wasteful number, since it uses less digits than its factorization.

210211212010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137034688477.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210211212010202 its reverse (202010212112012), we get a palindrome (412221424122214).

The spelling of 210211212010202 in words is "two hundred ten trillion, two hundred eleven billion, two hundred twelve million, ten thousand, two hundred two".

Divisors: 1 2 13 26 59 118 767 1534 137034688403 274069376806 1781450949239 3562901898478 8085046615777 16170093231554 105105606005101 210211212010202