Search a number
-
+
211312013113 = 23471271539199
BaseRepresentation
bin1100010011001100101…
…1010110111100111001
3202012102200211111021001
43010303023112330321
511430231333404423
6241024141445001
721160336322035
oct3046313267471
9665380744231
10211312013113
1181687139073
1234b53b70761
1316c07a8c566
14a3285b11c5
15576b5e6cad
hex31332d6f39

211312013113 has 16 divisors (see below), whose sum is σ = 226964275200. Its totient is φ = 196266215376.

The previous prime is 211312013053. The next prime is 211312013117. The reversal of 211312013113 is 311310213112.

It is not a de Polignac number, because 211312013113 - 237 = 73873059641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211312013117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632313 + ... + 906886.

It is an arithmetic number, because the mean of its divisors is an integer number (14185267200).

Almost surely, 2211312013113 is an apocalyptic number.

211312013113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

211312013113 is a deficient number, since it is larger than the sum of its proper divisors (15652262087).

211312013113 is a wasteful number, since it uses less digits than its factorization.

211312013113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539396.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 211312013113 its reverse (311310213112), we get a palindrome (522622226225).

The spelling of 211312013113 in words is "two hundred eleven billion, three hundred twelve million, thirteen thousand, one hundred thirteen".

Divisors: 1 23 47 127 1081 2921 5969 137287 1539199 35401577 72342353 195478273 1663874119 4496000279 9187478831 211312013113