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212313232031202 = 23211795179557289
BaseRepresentation
bin110000010001100100000110…
…110001101011110111100010
31000211201221120012001000112200
4300101210012301223313202
5210312014444344444302
62031315204033034030
762502060545553141
oct6021440661536742
91024657505030480
10212313232031202
116171659953a325
121b98b8879b5916
139161089c6ca13
143a6002dc2d758
151982b4b15581c
hexc11906c6bde2

212313232031202 has 12 divisors (see below), whose sum is σ = 460012002734310. Its totient is φ = 70771077343728.

The previous prime is 212313232031177. The next prime is 212313232031209. The reversal of 212313232031202 is 202130232313212.

212313232031202 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 1 + 323 + 20 + 312 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121161511860921 + 91151720170281 = 11007339^2 + 9547341^2 .

It is not an unprimeable number, because it can be changed into a prime (212313232031209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5897589778627 + ... + 5897589778662.

Almost surely, 2212313232031202 is an apocalyptic number.

212313232031202 is an abundant number, since it is smaller than the sum of its proper divisors (247698770703108).

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

212313232031202 is a wasteful number, since it uses less digits than its factorization.

212313232031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11795179557297 (or 11795179557294 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212313232031202 its reverse (202130232313212), we get a palindrome (414443464344414).

The spelling of 212313232031202 in words is "two hundred twelve trillion, three hundred thirteen billion, two hundred thirty-two million, thirty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 11795179557289 23590359114578 35385538671867 70771077343734 106156616015601 212313232031202