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144021887874 = 23271317355499
BaseRepresentation
bin1000011000100001011…
…1111001101110000010
3111202202010120221201100
42012020113321232002
54324424100402444
6150055052515230
713255665563634
oct2061027715602
9452663527640
10144021887874
1156096668017
1223ab477bb16
1310772ba81c7
146d8383ca54
153b2dd6be69
hex21885f9b82

144021887874 has 48 divisors (see below), whose sum is σ = 317441592000. Its totient is φ = 47181694560.

The previous prime is 144021887861. The next prime is 144021887917. The reversal of 144021887874 is 478788120441.

144021887874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144021887874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227377 + ... + 582875.

It is an arithmetic number, because the mean of its divisors is an integer number (6613366500).

Almost surely, 2144021887874 is an apocalyptic number.

144021887874 is an abundant number, since it is smaller than the sum of its proper divisors (173419704126).

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

144021887874 is a wasteful number, since it uses less digits than its factorization.

144021887874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355895 (or 355892 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 54.

The spelling of 144021887874 in words is "one hundred forty-four billion, twenty-one million, eight hundred eighty-seven thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 71 142 213 317 426 634 639 951 1278 1902 2853 5706 22507 45014 67521 135042 202563 355499 405126 710998 1066497 2132994 3199491 6398982 25240429 50480858 75721287 112693183 151442574 225386366 227163861 338079549 454327722 676159098 1014238647 2028477294 8001215993 16002431986 24003647979 48007295958 72010943937 144021887874