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1210101213 = 33113011841
BaseRepresentation
bin100100000100000…
…1010110111011101
310010100000111210110
41020020022313131
54434241214323
6320024400233
741662455606
oct11010126735
93110014713
101210101213
11571085a52
12299316079
13163920129
14b69dcdad
1571383793
hex4820addd

1210101213 has 8 divisors (see below), whose sum is σ = 1665515776. Its totient is φ = 780710400.

The previous prime is 1210101163. The next prime is 1210101229. The reversal of 1210101213 is 3121010121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1210101213 - 210 = 1210100189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210101253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6505828 + ... + 6506013.

It is an arithmetic number, because the mean of its divisors is an integer number (208189472).

Almost surely, 21210101213 is an apocalyptic number.

It is an amenable number.

1210101213 is a deficient number, since it is larger than the sum of its proper divisors (455414563).

1210101213 is a wasteful number, since it uses less digits than its factorization.

1210101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13011875.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1210101213 is about 34786.5090660158. The cubic root of 1210101213 is about 1065.6319474532.

Adding to 1210101213 its reverse (3121010121), we get a palindrome (4331111334).

It can be divided in two parts, 121010121 and 3, that multiplied together give a palindrome (363030363).

The spelling of 1210101213 in words is "one billion, two hundred ten million, one hundred one thousand, two hundred thirteen".

Divisors: 1 3 31 93 13011841 39035523 403367071 1210101213