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211211000202 = 23291936289411
BaseRepresentation
bin1100010010110100101…
…0000001100110001010
3202012011122202111121010
43010231022001212022
511430030004001302
6241010132424350
721155001610536
oct3045512014612
9665148674533
10211211000202
1181635115624
1234b261780b6
1316bbcb829c7
14a318dd8bc6
1557627e216c
hex312d28198a

211211000202 has 32 divisors (see below), whose sum is σ = 439252534080. Its totient is φ = 67623736320.

The previous prime is 211211000197. The next prime is 211211000233. The reversal of 211211000202 is 202000112112.

It is a super-2 number, since 2×2112110002022 (a number of 23 digits) contains 22 as substring.

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, 3111124 + ... + 3178287.

It is an arithmetic number, because the mean of its divisors is an integer number (13726641690).

Almost surely, 2211211000202 is an apocalyptic number.

211211000202 is an abundant number, since it is smaller than the sum of its proper divisors (228041533878).

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

211211000202 is a wasteful number, since it uses less digits than its factorization.

211211000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289638.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211211000202 its reverse (202000112112), we get a palindrome (413211112314).

The spelling of 211211000202 in words is "two hundred eleven billion, two hundred eleven million, two hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 29 58 87 174 193 386 579 1158 5597 11194 16791 33582 6289411 12578822 18868233 37736466 182392919 364785838 547178757 1094357514 1213856323 2427712646 3641568969 7283137938 35201833367 70403666734 105605500101 211211000202