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14001220240 = 245725002179
BaseRepresentation
bin11010000101000100…
…11010101010010000
31100010202202200102121
431002202122222100
5212133303021430
610233154424024
71003651260040
oct150242325220
940122680377
1014001220240
115a35361aa7
122868b92014
131421948407
1496b713720
1556e2c4a7a
hex34289aa90

14001220240 has 40 divisors (see below), whose sum is σ = 37203243840. Its totient is φ = 4800418176.

The previous prime is 14001220237. The next prime is 14001220249. The reversal of 14001220240 is 4202210041.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (14001220249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500530 + ... + 12501649.

It is an arithmetic number, because the mean of its divisors is an integer number (930081096).

Almost surely, 214001220240 is an apocalyptic number.

14001220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14001220240 is an abundant number, since it is smaller than the sum of its proper divisors (23202023600).

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

14001220240 is a wasteful number, since it uses less digits than its factorization.

14001220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25002199 (or 25002193 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 14001220240 its reverse (4202210041), we get a palindrome (18203430281).

The spelling of 14001220240 in words is "fourteen billion, one million, two hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 25002179 50004358 100008716 125010895 175015253 200017432 250021790 350030506 400034864 500043580 700061012 875076265 1000087160 1400122024 1750152530 2000174320 2800244048 3500305060 7000610120 14001220240