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14230001540 = 2256479971103
BaseRepresentation
bin11010100000010110…
…01001011110000100
31100201201020222101002
431100023021132010
5213120340022130
610312010152432
71012430005646
oct152013113604
940651228332
1014230001540
116042512857
122911722718
13145a16ba71
1498dc68896
15584416b45
hex3502c9784

14230001540 has 48 divisors (see below), whose sum is σ = 29986371072. Its totient is φ = 5672355456.

The previous prime is 14230001477. The next prime is 14230001543. The reversal of 14230001540 is 4510003241.

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

It is not an unprimeable number, because it can be changed into a prime (14230001543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12900629 + ... + 12901731.

It is an arithmetic number, because the mean of its divisors is an integer number (624716064).

Almost surely, 214230001540 is an apocalyptic number.

14230001540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14230001540 is an abundant number, since it is smaller than the sum of its proper divisors (15756369532).

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

14230001540 is a wasteful number, since it uses less digits than its factorization.

14230001540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 14230001540 its reverse (4510003241), we get a palindrome (18740004781).

The spelling of 14230001540 in words is "fourteen billion, two hundred thirty million, one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 647 997 1103 1294 1994 2206 2588 3235 3988 4412 4985 5515 6470 9970 11030 12940 19940 22060 645059 713641 1099691 1290118 1427282 2199382 2580236 2854564 3225295 3568205 4398764 5498455 6450590 7136410 10996910 12901180 14272820 21993820 711500077 1423000154 2846000308 3557500385 7115000770 14230001540