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144004220140 = 225112932234009
BaseRepresentation
bin1000011000011101010…
…0100000010011101100
3111202200220100100010211
42012013110200103230
54324410040021030
6150053222112204
713255362450334
oct2060724402354
9452626310124
10144004220140
115608769aa90
1223aaa87b664
131076c330521
146d813600c4
153b2c52c12a
hex21875204ec

144004220140 has 48 divisors (see below), whose sum is σ = 331026665760. Its totient is φ = 52186426880.

The previous prime is 144004220137. The next prime is 144004220149. The reversal of 144004220140 is 41022400441.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (144004220149) 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, 1052545 + ... + 1181464.

It is an arithmetic number, because the mean of its divisors is an integer number (6896388870).

Almost surely, 2144004220140 is an apocalyptic number.

144004220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144004220140 is an abundant number, since it is smaller than the sum of its proper divisors (187022445620).

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

144004220140 is a wasteful number, since it uses less digits than its factorization.

144004220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234322 (or 2234320 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 144004220140 its reverse (41022400441), we get a palindrome (185026620581).

The spelling of 144004220140 in words is "one hundred forty-four billion, four million, two hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 293 586 1172 1465 2930 3223 5860 6446 12892 16115 32230 64460 2234009 4468018 8936036 11170045 22340090 24574099 44680180 49148198 98296396 122870495 245740990 491481980 654564637 1309129274 2618258548 3272823185 6545646370 7200211007 13091292740 14400422014 28800844028 36001055035 72002110070 144004220140