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10211210212 = 227647563657
BaseRepresentation
bin10011000001010001…
…01011001111100100
3222100122012020001211
421200220223033210
5131403032211322
64405125401204
7511020566110
oct114050531744
928318166054
1010211210212
11436aa64405
121b8b869204
13c6969b128
146cc222740
153eb6cdb77
hex260a2b3e4

10211210212 has 24 divisors (see below), whose sum is σ = 20454021504. Its totient is φ = 4369461312.

The previous prime is 10211210209. The next prime is 10211210221. The reversal of 10211210212 is 21201211201.

It is a junction number, because it is equal to n+sod(n) for n = 10211210192 and 10211210201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263713 + ... + 299944.

It is an arithmetic number, because the mean of its divisors is an integer number (852250896).

Almost surely, 210211210212 is an apocalyptic number.

It is an amenable number.

10211210212 is an abundant number, since it is smaller than the sum of its proper divisors (10242811292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211210212 is a wasteful number, since it uses less digits than its factorization.

10211210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564315 (or 564313 counting only the distinct ones).

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

Adding to 10211210212 its reverse (21201211201), we get a palindrome (31412421413).

The spelling of 10211210212 in words is "ten billion, two hundred eleven million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 647 1294 2588 4529 9058 18116 563657 1127314 2254628 3945599 7891198 15782396 364686079 729372158 1458744316 2552802553 5105605106 10211210212