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211233141340 = 225133721957707
BaseRepresentation
bin1100010010111001111…
…0011111001001011100
3202012020012102101112021
43010232132133021130
511430101141010330
6241012243145524
721155361035134
oct3045636371134
9665205371467
10211233141340
1181646668591
1234b316752a4
1316bc4635880
14a31bd1dac4
15576471767a
hex312e79f25c

211233141340 has 48 divisors (see below), whose sum is σ = 490623027552. Its totient is φ = 75885831936.

The previous prime is 211233141323. The next prime is 211233141373. The reversal of 211233141340 is 43141332112.

211233141340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 10969234 + ... + 10988473.

It is an arithmetic number, because the mean of its divisors is an integer number (10221313074).

Almost surely, 2211233141340 is an apocalyptic number.

211233141340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211233141340 is an abundant number, since it is smaller than the sum of its proper divisors (279389886212).

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

211233141340 is a wasteful number, since it uses less digits than its factorization.

211233141340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21957766 (or 21957764 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 211233141340 its reverse (43141332112), we get a palindrome (254374473452).

The spelling of 211233141340 in words is "two hundred eleven billion, two hundred thirty-three million, one hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 130 148 185 260 370 481 740 962 1924 2405 4810 9620 21957707 43915414 87830828 109788535 219577070 285450191 439154140 570900382 812435159 1141800764 1427250955 1624870318 2854501910 3249740636 4062175795 5709003820 8124351590 10561657067 16248703180 21123314134 42246628268 52808285335 105616570670 211233141340