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211211000210 = 2574173592683
BaseRepresentation
bin1100010010110100101…
…0000001100110010010
3202012011122202111121102
43010231022001212102
511430030004001320
6241010132424402
721155001610550
oct3045512014622
9665148674542
10211211000210
1181635115631
1234b26178102
1316bbcb82a02
14a318dd8bd0
1557627e2175
hex312d281992

211211000210 has 32 divisors (see below), whose sum is σ = 445088552832. Its totient is φ = 70648974720.

The previous prime is 211211000197. The next prime is 211211000233. The reversal of 211211000210 is 12000112112.

It is a super-2 number, since 2×2112110002102 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211211000191 and 211211000200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36793472 + ... + 36799211.

It is an arithmetic number, because the mean of its divisors is an integer number (13909017276).

Almost surely, 2211211000210 is an apocalyptic number.

211211000210 is an abundant number, since it is smaller than the sum of its proper divisors (233877552622).

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

211211000210 is a wasteful number, since it uses less digits than its factorization.

211211000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73592738.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211211000210 its reverse (12000112112), we get a palindrome (223211112322).

The spelling of 211211000210 in words is "two hundred eleven billion, two hundred eleven million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 41 70 82 205 287 410 574 1435 2870 73592683 147185366 367963415 515148781 735926830 1030297562 2575743905 3017300003 5151487810 6034600006 15086500015 21121100021 30173000030 42242200042 105605500105 211211000210