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1300220412 = 2234312719841
BaseRepresentation
bin100110101111111…
…1100100111111100
310100121121001002120
41031133330213330
510130324023122
6333004122540
744135456031
oct11537744774
93317531076
101300220412
11607a38927
12303536450
131794b43ba
14c497b388
157923575c
hex4d7fc9fc

1300220412 has 48 divisors (see below), whose sum is σ = 3129004032. Its totient is φ = 419973120.

The previous prime is 1300220387. The next prime is 1300220431. The reversal of 1300220412 is 2140220031.

It is a junction number, because it is equal to n+sod(n) for n = 1300220391 and 1300220400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55612 + ... + 75452.

It is an arithmetic number, because the mean of its divisors is an integer number (65187584).

Almost surely, 21300220412 is an apocalyptic number.

1300220412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1300220412 is an abundant number, since it is smaller than the sum of its proper divisors (1828783620).

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

1300220412 is a wasteful number, since it uses less digits than its factorization.

1300220412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20018 (or 20016 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1300220412 is about 36058.5691895838. The cubic root of 1300220412 is about 1091.4545606237.

Adding to 1300220412 its reverse (2140220031), we get a palindrome (3440440443).

The spelling of 1300220412 in words is "one billion, three hundred million, two hundred twenty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 43 86 127 129 172 254 258 381 508 516 762 1524 5461 10922 16383 19841 21844 32766 39682 59523 65532 79364 119046 238092 853163 1706326 2519807 2559489 3412652 5039614 5118978 7559421 10079228 10237956 15118842 30237684 108351701 216703402 325055103 433406804 650110206 1300220412