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144889828072 = 23112921957759
BaseRepresentation
bin1000011011110000011…
…0110101001011101000
3111211222121202212211121
42012330012311023220
54333213243444242
6150321135505024
713316335134553
oct2067406651350
9454877685747
10144889828072
11564a1592370
12240b7388174
13108809581a2
147026c1169a
153b80164667
hex21bc1b52e8

144889828072 has 48 divisors (see below), whose sum is σ = 306937612800. Its totient is φ = 63587979840.

The previous prime is 144889828033. The next prime is 144889828081. The reversal of 144889828072 is 270828988441.

It is a self number, because there is not a number n which added to its sum of digits gives 144889828072.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904872 + ... + 1052887.

It is an arithmetic number, because the mean of its divisors is an integer number (6394533600).

Almost surely, 2144889828072 is an apocalyptic number.

It is an amenable number.

144889828072 is an abundant number, since it is smaller than the sum of its proper divisors (162047784728).

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

144889828072 is a wasteful number, since it uses less digits than its factorization.

144889828072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957834 (or 1957801 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 61.

The spelling of 144889828072 in words is "one hundred forty-four billion, eight hundred eighty-nine million, eight hundred twenty-eight thousand, seventy-two".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 232 319 638 841 1276 1682 2552 3364 6728 9251 18502 37004 74008 1957759 3915518 7831036 15662072 21535349 43070698 56775011 86141396 113550022 172282792 227100044 454200088 624525121 1249050242 1646475319 2498100484 3292950638 4996200968 6585901276 13171802552 18111228509 36222457018 72444914036 144889828072