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1303030100 = 225297134333
BaseRepresentation
bin100110110101010…
…1010100101010100
310100210212210021002
41031222222211110
510132033430400
6333144242432
744201400401
oct11552524524
93323783232
101303030100
11609587889
12304470418
13179c59238
14c50ad2a8
15795dced5
hex4daaa954

1303030100 has 36 divisors (see below), whose sum is σ = 2856746844. Its totient is φ = 515834880.

The previous prime is 1303030067. The next prime is 1303030103. The reversal of 1303030100 is 10303031.

It can be written as a sum of positive squares in 6 ways, for example, as 13645636 + 1289384464 = 3694^2 + 35908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303030103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57467 + ... + 76866.

It is an arithmetic number, because the mean of its divisors is an integer number (79354079).

Almost surely, 21303030100 is an apocalyptic number.

1303030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303030100 is an abundant number, since it is smaller than the sum of its proper divisors (1553716744).

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

1303030100 is a wasteful number, since it uses less digits than its factorization.

1303030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134444 (or 134437 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 1303030100 is about 36097.5082242528. The cubic root of 1303030100 is about 1092.2401813956.

Adding to 1303030100 its reverse (10303031), we get a palindrome (1313333131).

The spelling of 1303030100 in words is "one billion, three hundred three million, thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 97 100 194 388 485 970 1940 2425 4850 9700 134333 268666 537332 671665 1343330 2686660 3358325 6716650 13030301 13433300 26060602 52121204 65151505 130303010 260606020 325757525 651515050 1303030100