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2148888882 = 23773700877
BaseRepresentation
bin1000000000010101…
…0111000100110010
312112202111212101010
42000011113010302
513400103421012
6553122051350
7104152153110
oct20005270462
95482455333
102148888882
11a02aa0028
124bb7a9b56
132832775aa
14165574ab0
15c89c2c3c
hex80157132

2148888882 has 32 divisors (see below), whose sum is σ = 4979037312. Its totient is φ = 605556864.

The previous prime is 2148888853. The next prime is 2148888883. The reversal of 2148888882 is 2888888412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2148888883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347373 + ... + 353504.

It is an arithmetic number, because the mean of its divisors is an integer number (155594916).

Almost surely, 22148888882 is an apocalyptic number.

2148888882 is an abundant number, since it is smaller than the sum of its proper divisors (2830148430).

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

2148888882 is a wasteful number, since it uses less digits than its factorization.

2148888882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700962.

The product of its digits is 4194304, while the sum is 57.

The square root of 2148888882 is about 46356.1094355426. The cubic root of 2148888882 is about 1290.4405045697.

The spelling of 2148888882 in words is "two billion, one hundred forty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 3066 700877 1401754 2102631 4205262 4906139 9812278 14718417 29436834 51164021 102328042 153492063 306984126 358148147 716296294 1074444441 2148888882