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101303001220 = 2255647896963
BaseRepresentation
bin101111001011000100…
…0010010000010000100
3100200110222110122220011
41132112020102002010
53124432032014340
6114312110520004
710214245205611
oct1362610220204
9320428418804
10101303001220
1139a649a3213
1217772206004
139725758795
144c90123508
15297d81e0ea
hex1796212084

101303001220 has 24 divisors (see below), whose sum is σ = 212774212224. Its totient is φ = 40513979616.

The previous prime is 101303001211. The next prime is 101303001227. The reversal of 101303001220 is 22100303101.

101303001220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 101303001220.

It is not an unprimeable number, because it can be changed into a prime (101303001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335542 + ... + 561421.

It is an arithmetic number, because the mean of its divisors is an integer number (8865592176).

Almost surely, 2101303001220 is an apocalyptic number.

101303001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101303001220 is an abundant number, since it is smaller than the sum of its proper divisors (111471211004).

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

101303001220 is a wasteful number, since it uses less digits than its factorization.

101303001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902619 (or 902617 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 101303001220 its reverse (22100303101), we get a palindrome (123403304321).

The spelling of 101303001220 in words is "one hundred one billion, three hundred three million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5647 11294 22588 28235 56470 112940 896963 1793926 3587852 4484815 8969630 17939260 5065150061 10130300122 20260600244 25325750305 50651500610 101303001220