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1303200030 = 235117155621
BaseRepresentation
bin100110110101101…
…0100000100011110
310100211012102100210
41031223110010132
510132104400110
6333152033250
744203005666
oct11553240436
93324172323
101303200030
11609693520
12304532826
13179cb86a2
14c51151a6
1579623520
hex4dad411e

1303200030 has 64 divisors (see below), whose sum is σ = 3460133376. Its totient is φ = 311472000.

The previous prime is 1303199971. The next prime is 1303200061. The reversal of 1303200030 is 300023031.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1303199979 and 1303200015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4381 + ... + 51240.

It is an arithmetic number, because the mean of its divisors is an integer number (54064584).

Almost surely, 21303200030 is an apocalyptic number.

1303200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303200030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1730066688).

1303200030 is an abundant number, since it is smaller than the sum of its proper divisors (2156933346).

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

1303200030 is a wasteful number, since it uses less digits than its factorization.

1303200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55713.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 1303200030 is about 36099.8619110932. The cubic root of 1303200030 is about 1092.2876595279.

Adding to 1303200030 its reverse (300023031), we get a palindrome (1603223061).

The spelling of 1303200030 in words is "one billion, three hundred three million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 71 110 142 165 213 330 355 426 710 781 1065 1562 2130 2343 3905 4686 7810 11715 23430 55621 111242 166863 278105 333726 556210 611831 834315 1223662 1668630 1835493 3059155 3670986 3949091 6118310 7898182 9177465 11847273 18354930 19745455 23694546 39490910 43440001 59236365 86880002 118472730 130320003 217200005 260640006 434400010 651600015 1303200030