Search a number
-
+
211231121110310 = 2573017587444433
BaseRepresentation
bin110000000001110100010011…
…111100000111010100100110
31000200220111110000102121222102
4300001310103330013110212
5210141302314001012220
62025130123140332102
762330642044522160
oct6001642374072446
91020814400377872
10211231121110310
11613396850a0234
121b83600b0a4032
1390b3017429772
143a238d855b930
151964915e4c775
hexc01d13f07526

211231121110310 has 16 divisors (see below), whose sum is σ = 434532591998496. Its totient is φ = 72422098666368.

The previous prime is 211231121110201. The next prime is 211231121110381. The reversal of 211231121110310 is 13011121132112.

It is a super-2 number, since 2×2112311211103102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508793722147 + ... + 1508793722286.

It is an arithmetic number, because the mean of its divisors is an integer number (27158286999906).

Almost surely, 2211231121110310 is an apocalyptic number.

211231121110310 is an abundant number, since it is smaller than the sum of its proper divisors (223301470888186).

211231121110310 is a wasteful number, since it uses less digits than its factorization.

211231121110310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017587444447.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 211231121110310 its reverse (13011121132112), we get a palindrome (224242242242422).

The spelling of 211231121110310 in words is "two hundred eleven trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred ten thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 3017587444433 6035174888866 15087937222165 21123112111031 30175874444330 42246224222062 105615560555155 211231121110310