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211211102010 = 23519370545793
BaseRepresentation
bin1100010010110100101…
…0011010011100111010
3202012011122221200020210
43010231022122130322
511430030020231020
6241010134531550
721155002513416
oct3045512323472
9665148850223
10211211102010
1181635185067
1234b26206bb6
1316bbcbba14c
14a319023d46
1557628123e0
hex312d29a73a

211211102010 has 32 divisors (see below), whose sum is σ = 533585943360. Its totient is φ = 53358594048.

The previous prime is 211211101979. The next prime is 211211102023. The reversal of 211211102010 is 10201112112.

211211102010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112111020102 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185272327 + ... + 185273466.

It is an arithmetic number, because the mean of its divisors is an integer number (16674560730).

Almost surely, 2211211102010 is an apocalyptic number.

211211102010 is an abundant number, since it is smaller than the sum of its proper divisors (322374841350).

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

211211102010 is a wasteful number, since it uses less digits than its factorization.

211211102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370545822.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211211102010 its reverse (10201112112), we get a palindrome (221412214122).

The spelling of 211211102010 in words is "two hundred eleven billion, two hundred eleven million, one hundred two thousand, ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 370545793 741091586 1111637379 1852728965 2223274758 3705457930 5558186895 7040370067 11116373790 14080740134 21121110201 35201850335 42242220402 70403700670 105605551005 211211102010