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211220210002 = 2195558426579
BaseRepresentation
bin1100010010110110110…
…1001010000101010010
3202012012022002102001211
43010231231022011102
511430034333210002
6241011102050334
721155143106344
oct3045555120522
9665168072054
10211220210002
118163a33602a
1234b292799aa
1316bc1a589a9
14a31a315294
155763510dd7
hex312db4a152

211220210002 has 8 divisors (see below), whose sum is σ = 333505594800. Its totient is φ = 100051678404.

The previous prime is 211220209943. The next prime is 211220210011. The reversal of 211220210002 is 200012022112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112202100022 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779213252 + ... + 2779213327.

It is an arithmetic number, because the mean of its divisors is an integer number (41688199350).

Almost surely, 2211220210002 is an apocalyptic number.

211220210002 is a deficient number, since it is larger than the sum of its proper divisors (122285384798).

211220210002 is a wasteful number, since it uses less digits than its factorization.

211220210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558426600.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211220210002 its reverse (200012022112), we get a palindrome (411232232114).

The spelling of 211220210002 in words is "two hundred eleven billion, two hundred twenty million, two hundred ten thousand, two".

Divisors: 1 2 19 38 5558426579 11116853158 105610105001 211220210002