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211212002 = 2191719769
BaseRepresentation
bin11001001011011…
…01011011100010
3112201102200101202
430211231123202
5413032241002
632543001202
75143162301
oct1445553342
9481380352
10211212002
11a9250781
125a899202
13349b1721
14200a0438
1513821502
hexc96d6e2

211212002 has 16 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 104770560.

The previous prime is 211211989. The next prime is 211212011. The reversal of 211212002 is 200212112.

Adding to 211212002 its reverse (200212112), we get a palindrome (411424114).

It is a happy number.

211212002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112120022 = 89221019577696008, which contains 22 as substring.

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, 274274 + ... + 275042.

It is an arithmetic number, because the mean of its divisors is an integer number (19958400).

Almost surely, 2211212002 is an apocalyptic number.

211212002 is a deficient number, since it is larger than the sum of its proper divisors (108122398).

211212002 is a wasteful number, since it uses less digits than its factorization.

211212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 211212002 is about 14533.1346240238. The cubic root of 211212002 is about 595.5335016776.

The spelling of 211212002 in words is "two hundred eleven million, two hundred twelve thousand, two".

Divisors: 1 2 191 382 719 769 1438 1538 137329 146879 274658 293758 552911 1105822 105606001 211212002