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14131444420 = 2251913699331
BaseRepresentation
bin11010010100100110…
…01011101011000100
31100110211210202102101
431022103023223010
5212420122210140
610254125521444
71010122203262
oct151223135304
940424722371
1014131444420
115aa1917395
1228a4713284
131442911c42
14980b31432
1557a94999a
hex34a4cbac4

14131444420 has 24 divisors (see below), whose sum is σ = 29831413248. Its totient is φ = 5622981600.

The previous prime is 14131444399. The next prime is 14131444471. The reversal of 14131444420 is 2444413141.

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, 1845846 + ... + 1853485.

It is an arithmetic number, because the mean of its divisors is an integer number (1242975552).

Almost surely, 214131444420 is an apocalyptic number.

14131444420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14131444420 is an abundant number, since it is smaller than the sum of its proper divisors (15699968828).

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

14131444420 is a wasteful number, since it uses less digits than its factorization.

14131444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699531 (or 3699529 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 14131444420 its reverse (2444413141), we get a palindrome (16575857561).

The spelling of 14131444420 in words is "fourteen billion, one hundred thirty-one million, four hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 3699331 7398662 14797324 18496655 36993310 73986620 706572221 1413144442 2826288884 3532861105 7065722210 14131444420