Search a number
-
+
211001210012212 = 22197673361831319
BaseRepresentation
bin101111111110011110001100…
…001010111000001000110100
31000200002112000010010201120221
4233332132030022320020310
5210124020434230342322
62024432341231504124
762305222453446424
oct5776361412701064
91020075003121527
10211001210012212
1161260124297354
121b7b9546388044
1390974372a1699
143a16727b74484
15195d95bab09c7
hexbfe78c2b8234

211001210012212 has 24 divisors (see below), whose sum is σ = 388737096955200. Its totient is φ = 99934915381056.

The previous prime is 211001210012107. The next prime is 211001210012221. The reversal of 211001210012212 is 212210012100112.

It is a congruent number.

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, 180332512 + ... + 181498807.

It is an arithmetic number, because the mean of its divisors is an integer number (16197379039800).

Almost surely, 2211001210012212 is an apocalyptic number.

It is an amenable number.

211001210012212 is a deficient number, since it is larger than the sum of its proper divisors (177735886942988).

211001210012212 is a wasteful number, since it uses less digits than its factorization.

211001210012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361839015 (or 361839013 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211001210012212 its reverse (212210012100112), we get a palindrome (423211222112324).

The spelling of 211001210012212 in words is "two hundred eleven trillion, one billion, two hundred ten million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 7673 15346 30692 145787 291574 583148 361831319 723662638 1447325276 6874795061 13749590122 27499180244 2776331710687 5552663421374 11105326842748 52750302503053 105500605006106 211001210012212