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211243342112 = 251116326313999
BaseRepresentation
bin1100010010111100010…
…1011001100100100000
3202012020220121122100122
43010233011121210200
511430111243421422
6241013245535412
721155543532035
oct3045705314440
9665226548318
10211243342112
11816513a5580
1234b34b74568
1316bc679792a
14a31d41738c
15576557ed42
hex312f159920

211243342112 has 96 divisors (see below), whose sum is σ = 458244864000. Its totient is φ = 95060977920.

The previous prime is 211243342087. The next prime is 211243342127.

It is a happy number.

211243342112 is nontrivially palindromic in base 10.

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, 15082889 + ... + 15096887.

It is an arithmetic number, because the mean of its divisors is an integer number (4773384000).

Almost surely, 2211243342112 is an apocalyptic number.

211243342112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211243342112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229122432000).

211243342112 is an abundant number, since it is smaller than the sum of its proper divisors (247001521888).

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

211243342112 is a wasteful number, since it uses less digits than its factorization.

211243342112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14446 (or 14438 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 211243 and 342112, that added together give a palindrome (553355).

The spelling of 211243342112 in words is "two hundred eleven billion, two hundred forty-three million, three hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 163 176 263 326 352 526 652 1052 1304 1793 2104 2608 2893 3586 4208 5216 5786 7172 8416 11572 13999 14344 23144 27998 28688 42869 46288 55996 57376 85738 92576 111992 153989 171476 223984 307978 342952 447968 471559 615956 685904 943118 1231912 1371808 1886236 2281837 2463824 3681737 3772472 4563674 4927648 7363474 7544944 9127348 14726948 15089888 18254696 25100207 29453896 36509392 40499107 50200414 58907792 73018784 80998214 100400828 117815584 161996428 200801656 323992856 401603312 600123131 647985712 803206624 1200246262 1295971424 2400492524 4800985048 6601354441 9601970096 13202708882 19203940192 26405417764 52810835528 105621671056 211243342112