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14013032420 = 225994170481
BaseRepresentation
bin11010000110011110…
…11110011111100100
31100011120222210200202
431003033132133210
5212144314014140
610234255530032
71004153544632
oct150317363744
940146883622
1014013032420
115a40a9a732
122870b29918
131424222a7a
1496d10a352
15570359915
hex3433de7e4

14013032420 has 24 divisors (see below), whose sum is σ = 29430745848. Its totient is φ = 5604569600.

The previous prime is 14013032419. The next prime is 14013032431. The reversal of 14013032420 is 2423031041.

It can be written as a sum of positive squares in 4 ways, for example, as 986462464 + 13026569956 = 31408^2 + 114134^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14013032392 and 14013032401.

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, 163580 + ... + 234060.

It is an arithmetic number, because the mean of its divisors is an integer number (1226281077).

Almost surely, 214013032420 is an apocalyptic number.

14013032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14013032420 is an abundant number, since it is smaller than the sum of its proper divisors (15417713428).

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

14013032420 is a wasteful number, since it uses less digits than its factorization.

14013032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80431 (or 80429 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 14013032420 its reverse (2423031041), we get a palindrome (16436063461).

The spelling of 14013032420 in words is "fourteen billion, thirteen million, thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 9941 19882 39764 49705 70481 99410 140962 198820 281924 352405 704810 1409620 700651621 1401303242 2802606484 3503258105 7006516210 14013032420