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2144340044 = 2271116094327
BaseRepresentation
bin111111111010000…
…0000100001001100
312112102221202112122
41333310000201030
513342422340134
6552440352112
7104065406150
oct17764004114
95472852478
102144340044
11a00473460
124ba175638
13282343c82
14164b0d060
15c83c502e
hex7fd0084c

2144340044 has 48 divisors (see below), whose sum is σ = 4682549760. Its totient is φ = 834744960.

The previous prime is 2144339993. The next prime is 2144340049. The reversal of 2144340044 is 4400434412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2144339995 and 2144340022.

It is not an unprimeable number, because it can be changed into a prime (2144340049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493409 + ... + 497735.

It is an arithmetic number, because the mean of its divisors is an integer number (97553120).

Almost surely, 22144340044 is an apocalyptic number.

It is an amenable number.

2144340044 is an abundant number, since it is smaller than the sum of its proper divisors (2538209716).

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

2144340044 is a wasteful number, since it uses less digits than its factorization.

2144340044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958 (or 5956 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2144340044 is about 46307.0193815149. The cubic root of 2144340044 is about 1289.5293124849.

Adding to 2144340044 its reverse (4400434412), we get a palindrome (6544774456).

The spelling of 2144340044 in words is "two billion, one hundred forty-four million, three hundred forty thousand, forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1609 3218 4327 6436 8654 11263 17308 17699 22526 30289 35398 45052 47597 60578 70796 95194 121156 123893 190388 247786 333179 495572 666358 1332716 6962143 13924286 27848572 48735001 76583573 97470002 153167146 194940004 306334292 536085011 1072170022 2144340044