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1300231320 = 233510835261
BaseRepresentation
bin100110101111111…
…1111010010011000
310100121121121001120
41031133333102120
510130324400240
6333004245240
744135532603
oct11537772230
93317547046
101300231320
11607a46043
12303540820
131794b935b
14c498133a
1579238ad0
hex4d7ff498

1300231320 has 32 divisors (see below), whose sum is σ = 3900694320. Its totient is φ = 346728320.

The previous prime is 1300231297. The next prime is 1300231399. The reversal of 1300231320 is 231320031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1300231320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5417511 + ... + 5417750.

Almost surely, 21300231320 is an apocalyptic number.

1300231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300231320 is an abundant number, since it is smaller than the sum of its proper divisors (2600463000).

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

1300231320 is a wasteful number, since it uses less digits than its factorization.

1300231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835275 (or 10835271 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1300231320 is about 36058.7204431882. The cubic root of 1300231320 is about 1091.4576128121.

Adding to 1300231320 its reverse (231320031), we get a palindrome (1531551351).

The spelling of 1300231320 in words is "one billion, three hundred million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 10835261 21670522 32505783 43341044 54176305 65011566 86682088 108352610 130023132 162528915 216705220 260046264 325057830 433410440 650115660 1300231320