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1306981083407 = 2452515329157
BaseRepresentation
bin10011000001001110001…
…001001010100100001111
311121221112202111020022212
4103001032021022210033
5132403144124132112
62440230244301035
7163266131623256
oct23011611124417
94557482436285
101306981083407
1146431882650a
121913753a177b
139632b50911c
14473887bd79d
1523ee6c54522
hex1304e24a90f

1306981083407 has 4 divisors (see below), whose sum is σ = 1306986657816. Its totient is φ = 1306975509000.

The previous prime is 1306981083389. The next prime is 1306981083437. The reversal of 1306981083407 is 7043801896031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1306981083407 - 210 = 1306981082383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306981083437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419328 + ... + 2909829.

It is an arithmetic number, because the mean of its divisors is an integer number (326746664454).

Almost surely, 21306981083407 is an apocalyptic number.

1306981083407 is a deficient number, since it is larger than the sum of its proper divisors (5574409).

1306981083407 is an equidigital number, since it uses as much as digits as its factorization.

1306981083407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574408.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1306981083407 in words is "one trillion, three hundred six billion, nine hundred eighty-one million, eighty-three thousand, four hundred seven".

Divisors: 1 245251 5329157 1306981083407