Search a number
-
+
144043520240 = 2458377214939
BaseRepresentation
bin1000011000100110101…
…0011011000011110000
3111202210122021222202002
42012021222123003300
54330000120121430
6150101144313132
713256350502024
oct2061152330360
9452718258662
10144043520240
11560a78a2804
1223abba727a8
1310777510619
146d86670384
153b30be1845
hex2189a9b0f0

144043520240 has 40 divisors (see below), whose sum is σ = 334942721520. Its totient is φ = 57610262016.

The previous prime is 144043520213. The next prime is 144043520249. The reversal of 144043520240 is 42025340441.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144043520249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562691 + ... + 777629.

It is an arithmetic number, because the mean of its divisors is an integer number (8373568038).

Almost surely, 2144043520240 is an apocalyptic number.

144043520240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144043520240 is an abundant number, since it is smaller than the sum of its proper divisors (190899201280).

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

144043520240 is a wasteful number, since it uses less digits than its factorization.

144043520240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223329 (or 223323 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 144043520240 its reverse (42025340441), we get a palindrome (186068860681).

The spelling of 144043520240 in words is "one hundred forty-four billion, forty-three million, five hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 8377 16754 33508 41885 67016 83770 134032 167540 214939 335080 429878 670160 859756 1074695 1719512 2149390 3439024 4298780 8597560 17195120 1800544003 3601088006 7202176012 9002720015 14404352024 18005440030 28808704048 36010880060 72021760120 144043520240