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1213415310505 = 5594113272239
BaseRepresentation
bin10001101010000101001…
…100000100010010101001
311022000000222222111100111
4101222011030010102221
5124340033304414010
62325234005134321
7153444363650326
oct21520514042251
94260028874314
101213415310505
11428674344472
121772023ba3a1
138a569a2ba68
1442a300c1b4d
152186c82758a
hex11a853044a9

1213415310505 has 8 divisors (see below), whose sum is σ = 1480778006400. Its totient is φ = 954279159216.

The previous prime is 1213415310479. The next prime is 1213415310521. The reversal of 1213415310505 is 5050135143121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1213415310505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2056635825 + ... + 2056636414.

It is an arithmetic number, because the mean of its divisors is an integer number (185097250800).

Almost surely, 21213415310505 is an apocalyptic number.

It is an amenable number.

1213415310505 is a deficient number, since it is larger than the sum of its proper divisors (267362695895).

1213415310505 is an equidigital number, since it uses as much as digits as its factorization.

1213415310505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113272303.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 1213415310505 in words is "one trillion, two hundred thirteen billion, four hundred fifteen million, three hundred ten thousand, five hundred five".

Divisors: 1 5 59 295 4113272239 20566361195 242683062101 1213415310505