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1306631414487 = 3762220543547
BaseRepresentation
bin10011000000111001010…
…011010010001011010111
311121220122101112012202010
4103000321103102023113
5132401440120230422
62440131433515303
7163254354525330
oct23007123221327
94556571465663
101306631414487
11464159408033
12191298272b33
13962a3c3a839
144735419b287
1523ec61d3b0c
hex130394d22d7

1306631414487 has 8 divisors (see below), whose sum is σ = 1991057393536. Its totient is φ = 746646522552.

The previous prime is 1306631414479. The next prime is 1306631414521. The reversal of 1306631414487 is 7844141366031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1306631414487 - 23 = 1306631414479 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 (1306631414587) by changing a digit.

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, 31110271753 + ... + 31110271794.

It is an arithmetic number, because the mean of its divisors is an integer number (248882174192).

Almost surely, 21306631414487 is an apocalyptic number.

1306631414487 is a deficient number, since it is larger than the sum of its proper divisors (684425979049).

1306631414487 is an equidigital number, since it uses as much as digits as its factorization.

1306631414487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62220543557.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 1306631414487 in words is "one trillion, three hundred six billion, six hundred thirty-one million, four hundred fourteen thousand, four hundred eighty-seven".

Divisors: 1 3 7 21 62220543547 186661630641 435543804829 1306631414487