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2142893255 = 5428578651
BaseRepresentation
bin111111110111001…
…1111010011000111
312112100020020220212
41333232133103013
513342040041010
6552345350035
7104050202126
oct17756372307
95470206825
102142893255
119aa675468
124b979831b
13281c58599
14164853abd
15c81db505
hex7fb9f4c7

2142893255 has 4 divisors (see below), whose sum is σ = 2571471912. Its totient is φ = 1714314600.

The previous prime is 2142893237. The next prime is 2142893257. The reversal of 2142893255 is 5523982412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2142893255 - 212 = 2142889159 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 (2142893257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214289321 + ... + 214289330.

It is an arithmetic number, because the mean of its divisors is an integer number (642867978).

Almost surely, 22142893255 is an apocalyptic number.

2142893255 is a deficient number, since it is larger than the sum of its proper divisors (428578657).

2142893255 is an equidigital number, since it uses as much as digits as its factorization.

2142893255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428578656.

The product of its digits is 172800, while the sum is 41.

The square root of 2142893255 is about 46291.3950427075. The cubic root of 2142893255 is about 1289.2392315377.

The spelling of 2142893255 in words is "two billion, one hundred forty-two million, eight hundred ninety-three thousand, two hundred fifty-five".

Divisors: 1 5 428578651 2142893255