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2144624219 = 10788322699
BaseRepresentation
bin111111111010100…
…0101111001011011
312112110111012100122
41333311011321123
513343010433334
6552450423455
7104101001513
oct17765057133
95473435318
102144624219
11a00647a11
124ba291b8b
1328241341a
14164b84843
15c842e32e
hex7fd45e5b

2144624219 has 8 divisors (see below), whose sum is σ = 2167214400. Its totient is φ = 2122081416.

The previous prime is 2144624201. The next prime is 2144624249. The reversal of 2144624219 is 9124264412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2144624219 is a prime.

It is a super-2 number, since 2×21446242192 = 9198826081442719922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144624249) 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, 83132 + ... + 105830.

It is an arithmetic number, because the mean of its divisors is an integer number (270901800).

Almost surely, 22144624219 is an apocalyptic number.

2144624219 is a deficient number, since it is larger than the sum of its proper divisors (22590181).

2144624219 is a wasteful number, since it uses less digits than its factorization.

2144624219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23689.

The product of its digits is 27648, while the sum is 35.

The square root of 2144624219 is about 46310.0876591699. The cubic root of 2144624219 is about 1289.5862741916.

The spelling of 2144624219 in words is "two billion, one hundred forty-four million, six hundred twenty-four thousand, two hundred nineteen".

Divisors: 1 107 883 22699 94481 2428793 20043217 2144624219