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144443729372 = 221071911766939
BaseRepresentation
bin1000011010000110000…
…1000110010111011100
3111210211112100201110112
42012201201012113130
54331310043314442
6150205002225152
713302310304345
oct2064141062734
9453745321415
10144443729372
11562927a0858
1223bb1ab51b8
131080c3c6167
146dc388b0cc
153b55de7082
hex21a18465dc

144443729372 has 24 divisors (see below), whose sum is σ = 256474874880. Its totient is φ = 71172262640.

The previous prime is 144443729369. The next prime is 144443729383. The reversal of 144443729372 is 273927344441.

It is a self number, because there is not a number n which added to its sum of digits gives 144443729372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801722 + ... + 965217.

It is an arithmetic number, because the mean of its divisors is an integer number (10686453120).

Almost surely, 2144443729372 is an apocalyptic number.

It is an amenable number.

144443729372 is a deficient number, since it is larger than the sum of its proper divisors (112031145508).

144443729372 is a wasteful number, since it uses less digits than its factorization.

144443729372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767241 (or 1767239 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 50.

The spelling of 144443729372 in words is "one hundred forty-four billion, four hundred forty-three million, seven hundred twenty-nine thousand, three hundred seventy-two".

Divisors: 1 2 4 107 191 214 382 428 764 20437 40874 81748 1766939 3533878 7067756 189062473 337485349 378124946 674970698 756249892 1349941396 36110932343 72221864686 144443729372