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2132221110 = 23571074037
BaseRepresentation
bin111111100010111…
…0001110010110110
312111121011001111020
41333011301302312
513331322033420
6551324522010
7103560403035
oct17705616266
95447131436
102132221110
119a4646308
124b60b0306
1327c98cac6
1416327671c
15c72ce340
hex7f171cb6

2132221110 has 16 divisors (see below), whose sum is σ = 5117330736. Its totient is φ = 568592288.

The previous prime is 2132221109. The next prime is 2132221123. The reversal of 2132221110 is 111222312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2132221110.

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 7 ways as a sum of consecutive naturals, for example, 35536989 + ... + 35537048.

It is an arithmetic number, because the mean of its divisors is an integer number (319833171).

Almost surely, 22132221110 is an apocalyptic number.

2132221110 is an abundant number, since it is smaller than the sum of its proper divisors (2985109626).

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

2132221110 is a wasteful number, since it uses less digits than its factorization.

2132221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71074047.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2132221110 is about 46175.9797946941. The cubic root of 2132221110 is about 1287.0954239548.

Adding to 2132221110 its reverse (111222312), we get a palindrome (2243443422).

The spelling of 2132221110 in words is "two billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71074037 142148074 213222111 355370185 426444222 710740370 1066110555 2132221110