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210100021201012 = 2252525005300253
BaseRepresentation
bin101111110001010110111001…
…001000011000100001110100
31000112220100212201101202222011
4233301112321020120201310
5210014234320411413022
62022502341200014004
762153140246111135
oct5761267110304164
91015810781352864
10210100021201012
1160a42a11743068
121b692960001304
13903046843aac7
1439c4c76931c8c
1519452b5008977
hexbf15b9218874

210100021201012 has 6 divisors (see below), whose sum is σ = 367675037101778. Its totient is φ = 105050010600504.

The previous prime is 210100021201009. The next prime is 210100021201039. The reversal of 210100021201012 is 210102120001012.

It can be written as a sum of positive squares in only one way, i.e., 138483846983056 + 71616174217956 = 11767916^2 + 8462634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210100021200983 and 210100021201001.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26262502650123 + ... + 26262502650130.

Almost surely, 2210100021201012 is an apocalyptic number.

It is an amenable number.

210100021201012 is a deficient number, since it is larger than the sum of its proper divisors (157575015900766).

210100021201012 is a wasteful number, since it uses less digits than its factorization.

210100021201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52525005300257 (or 52525005300255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210100021201012 its reverse (210102120001012), we get a palindrome (420202141202024).

The spelling of 210100021201012 in words is "two hundred ten trillion, one hundred billion, twenty-one million, two hundred one thousand, twelve".

Divisors: 1 2 4 52525005300253 105050010600506 210100021201012