Search a number
-
+
201040330340 = 22553487389447
BaseRepresentation
bin1011101100111011101…
…1111111111001100100
3201012220211211221102202
42323032323333321210
511243212311032330
6232205011554032
720344652420033
oct2731673777144
9635824757382
10201040330340
1178296030843
1232b67bbb918
1315c5ba0a365
149a3232a71a
155369970445
hex2eceeffe64

201040330340 has 48 divisors (see below), whose sum is σ = 431034815232. Its totient is φ = 78736634496.

The previous prime is 201040330333. The next prime is 201040330343. The reversal of 201040330340 is 43033040102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (201040330343) 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, 321497 + ... + 710943.

It is an arithmetic number, because the mean of its divisors is an integer number (8979891984).

Almost surely, 2201040330340 is an apocalyptic number.

201040330340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201040330340 is an abundant number, since it is smaller than the sum of its proper divisors (229994484892).

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

201040330340 is a wasteful number, since it uses less digits than its factorization.

201040330340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389996 (or 389994 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 201040330340 its reverse (43033040102), we get a palindrome (244073370442).

The spelling of 201040330340 in words is "two hundred one billion, forty million, three hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 487 530 974 1060 1948 2435 4870 9740 25811 51622 103244 129055 258110 389447 516220 778894 1557788 1947235 3894470 7788940 20640691 41281382 82562764 103203455 189660689 206406910 379321378 412813820 758642756 948303445 1896606890 3793213780 10052016517 20104033034 40208066068 50260082585 100520165170 201040330340