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211203001120 = 2552161610837
BaseRepresentation
bin1100010010110010101…
…1100000101100100000
3202012011002201002220211
43010230223200230200
511430020432013440
6241005245143504
721154543613566
oct3045453405440
9665132632824
10211203001120
1181630651811
1234b2355ab94
1316bbb311b17
14a317d15a36
155761c61eea
hex312cae0b20

211203001120 has 48 divisors (see below), whose sum is σ = 499198803768. Its totient is φ = 84441968640.

The previous prime is 211203001073. The next prime is 211203001129. The reversal of 211203001120 is 21100302112.

It can be written as a sum of positive squares in 4 ways, for example, as 152078160784 + 59124840336 = 389972^2 + 243156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211203001120.

It is not an unprimeable number, because it can be changed into a prime (211203001129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40342 + ... + 651178.

Almost surely, 2211203001120 is an apocalyptic number.

211203001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211203001120 is an abundant number, since it is smaller than the sum of its proper divisors (287995802648).

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

211203001120 is a wasteful number, since it uses less digits than its factorization.

211203001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613013 (or 613005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211203001120 its reverse (21100302112), we get a palindrome (232303303232).

The spelling of 211203001120 in words is "two hundred eleven billion, two hundred three million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2161 4322 8644 10805 17288 21610 34576 43220 69152 86440 172880 345760 610837 1221674 2443348 3054185 4886696 6108370 9773392 12216740 19546784 24433480 48866960 97733920 1320018757 2640037514 5280075028 6600093785 10560150056 13200187570 21120300112 26400375140 42240600224 52800750280 105601500560 211203001120