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2128341090 = 23570944703
BaseRepresentation
bin111111011011011…
…1110100001100010
312111022211221002210
41332312332201202
513324323403330
6551105422550
7103512413031
oct17666764142
95438757083
102128341090
119a2436187
124b493aa56
1327bc31a35
14162946718
15c6cb48b0
hex7edbe862

2128341090 has 16 divisors (see below), whose sum is σ = 5108018688. Its totient is φ = 567557616.

The previous prime is 2128341073. The next prime is 2128341097. The reversal of 2128341090 is 901438212.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 70944703 = 2128341090 / (2 + 1 + 2 + 8 + 3 + 4 + 1 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (2128341097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35472322 + ... + 35472381.

It is an arithmetic number, because the mean of its divisors is an integer number (319251168).

Almost surely, 22128341090 is an apocalyptic number.

2128341090 is an abundant number, since it is smaller than the sum of its proper divisors (2979677598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2128341090 is a wasteful number, since it uses less digits than its factorization.

2128341090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70944713.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2128341090 is about 46133.9472622927. The cubic root of 2128341090 is about 1286.3142372680.

The spelling of 2128341090 in words is "two billion, one hundred twenty-eight million, three hundred forty-one thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 70944703 141889406 212834109 354723515 425668218 709447030 1064170545 2128341090