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1300232120 = 235112268643
BaseRepresentation
bin100110101111111…
…1111011110111000
310100121121122011012
41031133333132320
510130324411440
6333004253052
744135535125
oct11537773670
93317548135
101300232120
11607a46700
12303541188
131794b9825
14c498174c
1579238e65
hex4d7ff7b8

1300232120 has 48 divisors (see below), whose sum is σ = 3215668680. Its totient is φ = 472809920.

The previous prime is 1300232119. The next prime is 1300232137. The reversal of 1300232120 is 212320031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1300232095 and 1300232104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129482 + ... + 139161.

Almost surely, 21300232120 is an apocalyptic number.

1300232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300232120 is an abundant number, since it is smaller than the sum of its proper divisors (1915436560).

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

1300232120 is a wasteful number, since it uses less digits than its factorization.

1300232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268676 (or 268661 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1300232120 is about 36058.7315362035. The cubic root of 1300232120 is about 1091.4578366610.

Adding to 1300232120 its reverse (212320031), we get a palindrome (1512552151).

The spelling of 1300232120 in words is "one billion, three hundred million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 242 440 484 605 968 1210 2420 4840 268643 537286 1074572 1343215 2149144 2686430 2955073 5372860 5910146 10745720 11820292 14775365 23640584 29550730 32505803 59101460 65011606 118202920 130023212 162529015 260046424 325058030 650116060 1300232120