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1300312412 = 22727438929
BaseRepresentation
bin100110110000001…
…0011000101011100
310100121202201021222
41031200103011130
510130334444122
6333010112512
744136321200
oct11540230534
93317681258
101300312412
11607aa0a63
1230357b738
13179517239
14c49a2b00
1579252b42
hex4d81315c

1300312412 has 36 divisors (see below), whose sum is σ = 2650924080. Its totient is φ = 556464384.

The previous prime is 1300312393. The next prime is 1300312457. The reversal of 1300312412 is 2142130031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141164 + ... + 150092.

It is an arithmetic number, because the mean of its divisors is an integer number (73636780).

Almost surely, 21300312412 is an apocalyptic number.

It is an amenable number.

1300312412 is an abundant number, since it is smaller than the sum of its proper divisors (1350611668).

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

1300312412 is a wasteful number, since it uses less digits than its factorization.

1300312412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690 (or 9681 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1300312412 is about 36059.8448693280. The cubic root of 1300312412 is about 1091.4803027852.

Adding to 1300312412 its reverse (2142130031), we get a palindrome (3442442443).

The spelling of 1300312412 in words is "one billion, three hundred million, three hundred twelve thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 743 1486 2972 5201 8929 10402 17858 20804 35716 36407 62503 72814 125006 145628 250012 437521 875042 1750084 6634247 13268494 26536988 46439729 92879458 185758916 325078103 650156206 1300312412