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2135143455 = 351311086587
BaseRepresentation
bin111111101000011…
…1011010000011111
312111210122112012020
41333100323100133
513333044042310
6551511311223
7103624264014
oct17720732037
95453575166
102135143455
119a6261975
124b707b513
13280473cc3
141637d770b
15c76aa170
hex7f43b41f

2135143455 has 16 divisors (see below), whose sum is σ = 3442310784. Its totient is φ = 1130049440.

The previous prime is 2135143433. The next prime is 2135143463. The reversal of 2135143455 is 5543415312.

It is not a de Polignac number, because 2135143455 - 26 = 2135143391 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 541329 + ... + 545258.

It is an arithmetic number, because the mean of its divisors is an integer number (215144424).

Almost surely, 22135143455 is an apocalyptic number.

2135143455 is a deficient number, since it is larger than the sum of its proper divisors (1307167329).

2135143455 is a wasteful number, since it uses less digits than its factorization.

2135143455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086726.

The product of its digits is 36000, while the sum is 33.

The square root of 2135143455 is about 46207.6125221808. The cubic root of 2135143455 is about 1287.6831709732.

Adding to 2135143455 its reverse (5543415312), we get a palindrome (7678558767).

The spelling of 2135143455 in words is "two billion, one hundred thirty-five million, one hundred forty-three thousand, four hundred fifty-five".

Divisors: 1 3 5 15 131 393 655 1965 1086587 3259761 5432935 16298805 142342897 427028691 711714485 2135143455