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21514052113013 = 237151130805981
BaseRepresentation
bin1001110010001001000010…
…11011110001001001110101
32211011201112021121221120102
410321010201123301021311
510304441234320104023
6113431230305243445
74350224160443645
oct471044133611165
984151467557512
1021514052113013
116945070602969
1224b5698633585
13c009c6a542c5
145453ddc88525
1527496ac09628
hex1391216f1275

21514052113013 has 8 divisors (see below), whose sum is σ = 22452585198336. Its totient is φ = 20575780654000.

The previous prime is 21514052112991. The next prime is 21514052113049. The reversal of 21514052113013 is 31031125041512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21514052113013 - 230 = 21512978371189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21514352113013) 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, 65238518 + ... + 65567463.

It is an arithmetic number, because the mean of its divisors is an integer number (2806573149792).

Almost surely, 221514052113013 is an apocalyptic number.

21514052113013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21514052113013 is a deficient number, since it is larger than the sum of its proper divisors (938533085323).

21514052113013 is a wasteful number, since it uses less digits than its factorization.

21514052113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130813155.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 21514052113013 its reverse (31031125041512), we get a palindrome (52545177154525).

The spelling of 21514052113013 in words is "twenty-one trillion, five hundred fourteen billion, fifty-two million, one hundred thirteen thousand, thirteen".

Divisors: 1 23 7151 164473 130805981 3008537563 935393570131 21514052113013