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212311010 = 2573290837
BaseRepresentation
bin11001010011110…
…01101111100010
3112210111111221202
430221321233202
5413322423020
633022321202
75155420352
oct1451715742
9483444852
10212311010
11a993144a
125b129202
1334ca7a22
14202a8b62
151398be75
hexca79be2

212311010 has 16 divisors (see below), whose sum is σ = 387396216. Its totient is φ = 83760768.

The previous prime is 212311003. The next prime is 212311019. The reversal of 212311010 is 10113212.

It can be written as a sum of positive squares in 4 ways, for example, as 198330889 + 13980121 = 14083^2 + 3739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212310982 and 212311000.

It is not an unprimeable number, because it can be changed into a prime (212311019) 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, 144689 + ... + 146148.

Almost surely, 2212311010 is an apocalyptic number.

212311010 is a deficient number, since it is larger than the sum of its proper divisors (175085206).

212311010 is a wasteful number, since it uses less digits than its factorization.

212311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290917.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212311010 is about 14570.8959916678. The cubic root of 212311010 is about 596.5646365215.

Adding to 212311010 its reverse (10113212), we get a palindrome (222424222).

The spelling of 212311010 in words is "two hundred twelve million, three hundred eleven thousand, ten".

Divisors: 1 2 5 10 73 146 365 730 290837 581674 1454185 2908370 21231101 42462202 106155505 212311010