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14544454420 = 225727222721
BaseRepresentation
bin11011000101110101…
…01100001100010100
31101112121221211122001
431202322230030110
5214241340020140
610403122045044
71023265552126
oct154272541424
941477854561
1014544454420
116193a68971
12299aaa9784
1314aa35a162
149bd921216
155a1d2ce9a
hex362eac314

14544454420 has 12 divisors (see below), whose sum is σ = 30543354324. Its totient is φ = 5817781760.

The previous prime is 14544454417. The next prime is 14544454433. The reversal of 14544454420 is 2445444541.

It can be written as a sum of positive squares in 2 ways, for example, as 8261355664 + 6283098756 = 90892^2 + 79266^2 .

It is a super-3 number, since 3×145444544203 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14544454420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363611341 + ... + 363611380.

It is an arithmetic number, because the mean of its divisors is an integer number (2545279527).

Almost surely, 214544454420 is an apocalyptic number.

14544454420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14544454420 is an abundant number, since it is smaller than the sum of its proper divisors (15998899904).

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

14544454420 is a wasteful number, since it uses less digits than its factorization.

14544454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727222730 (or 727222728 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 14544454420 its reverse (2445444541), we get a palindrome (16989898961).

The spelling of 14544454420 in words is "fourteen billion, five hundred forty-four million, four hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 727222721 1454445442 2908890884 3636113605 7272227210 14544454420