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2145166145311 = 7734197976801
BaseRepresentation
bin11111001101110101110…
…111011011011100011111
321121002001022120002210111
4133031311313123130133
5240121300013122221
64321250431150451
7310661134244350
oct37156567333437
97532038502714
102145166145311
1175783a401402
122a78b7975427
13127399517887
1475b8026bd27
153ac02523be1
hex1f375ddb71f

2145166145311 has 8 divisors (see below), whose sum is σ = 2485202266784. Its totient is φ = 1813525977600.

The previous prime is 2145166145273. The next prime is 2145166145359. The reversal of 2145166145311 is 1135416615412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145166145311 - 215 = 2145166112543 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 (2145166149311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098987890 + ... + 2098988911.

It is an arithmetic number, because the mean of its divisors is an integer number (310650283348).

Almost surely, 22145166145311 is an apocalyptic number.

2145166145311 is a deficient number, since it is larger than the sum of its proper divisors (340036121473).

2145166145311 is an equidigital number, since it uses as much as digits as its factorization.

2145166145311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197976881.

The product of its digits is 86400, while the sum is 40.

The spelling of 2145166145311 in words is "two trillion, one hundred forty-five billion, one hundred sixty-six million, one hundred forty-five thousand, three hundred eleven".

Divisors: 1 7 73 511 4197976801 29385837607 306452306473 2145166145311