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2144221134 = 231132488199
BaseRepresentation
bin111111111001110…
…0011011111001110
312112102201201102120
41333303203133032
513342410034014
6552434033410
7104064402366
oct17763433716
95472651376
102144221134
11a003a2090
124ba118866
13282301b03
14164abb9a6
15c839eba9
hex7fce37ce

2144221134 has 16 divisors (see below), whose sum is σ = 4678300800. Its totient is φ = 649763960.

The previous prime is 2144221133. The next prime is 2144221139. The reversal of 2144221134 is 4311224412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144221133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16244034 + ... + 16244165.

It is an arithmetic number, because the mean of its divisors is an integer number (292393800).

Almost surely, 22144221134 is an apocalyptic number.

2144221134 is an abundant number, since it is smaller than the sum of its proper divisors (2534079666).

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

2144221134 is a wasteful number, since it uses less digits than its factorization.

2144221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32488215.

The product of its digits is 1536, while the sum is 24.

The square root of 2144221134 is about 46305.7354330973. The cubic root of 2144221134 is about 1289.5054759724.

Adding to 2144221134 its reverse (4311224412), we get a palindrome (6455445546).

The spelling of 2144221134 in words is "two billion, one hundred forty-four million, two hundred twenty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 32488199 64976398 97464597 194929194 357370189 714740378 1072110567 2144221134