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1366142145 = 3591076143
BaseRepresentation
bin101000101101101…
…1010110011000001
310112012122012201020
41101123122303001
510244213022040
6343321100053
745566005464
oct12133326301
93465565636
101366142145
116411738a5
12321627629
1318a055844
14cd61b2db
157ee07cd0
hex516dacc1

1366142145 has 8 divisors (see below), whose sum is σ = 2185827456. Its totient is φ = 728609136.

The previous prime is 1366142137. The next prime is 1366142171. The reversal of 1366142145 is 5412416631.

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

It is not a de Polignac number, because 1366142145 - 23 = 1366142137 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, 45538057 + ... + 45538086.

It is an arithmetic number, because the mean of its divisors is an integer number (273228432).

Almost surely, 21366142145 is an apocalyptic number.

1366142145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1366142145 is a deficient number, since it is larger than the sum of its proper divisors (819685311).

1366142145 is an equidigital number, since it uses as much as digits as its factorization.

1366142145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91076151.

The product of its digits is 17280, while the sum is 33.

The square root of 1366142145 is about 36961.3601616607. The cubic root of 1366142145 is about 1109.5970577059.

Adding to 1366142145 its reverse (5412416631), we get a palindrome (6778558776).

The spelling of 1366142145 in words is "one billion, three hundred sixty-six million, one hundred forty-two thousand, one hundred forty-five".

Divisors: 1 3 5 15 91076143 273228429 455380715 1366142145