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14454442020 = 2235240907367
BaseRepresentation
bin11010111011000110…
…10100100000100100
31101022100120201211110
431131203110200210
5214100314121040
610350144505020
71021123505244
oct153543244044
941270521743
1014454442020
116148179257
12297491b170
131494802695
149b19adb24
15598e9c980
hex35d8d4824

14454442020 has 24 divisors (see below), whose sum is σ = 40472437824. Its totient is φ = 3854517856.

The previous prime is 14454442003. The next prime is 14454442027. The reversal of 14454442020 is 2024445441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (14454442027) 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, 120453624 + ... + 120453743.

It is an arithmetic number, because the mean of its divisors is an integer number (1686351576).

Almost surely, 214454442020 is an apocalyptic number.

14454442020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14454442020 is an abundant number, since it is smaller than the sum of its proper divisors (26017995804).

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

14454442020 is a wasteful number, since it uses less digits than its factorization.

14454442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240907379 (or 240907377 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 14454442020 its reverse (2024445441), we get a palindrome (16478887461).

The spelling of 14454442020 in words is "fourteen billion, four hundred fifty-four million, four hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 240907367 481814734 722722101 963629468 1204536835 1445444202 2409073670 2890888404 3613610505 4818147340 7227221010 14454442020