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12442621012163 = 22359394091917
BaseRepresentation
bin1011010100010000011000…
…0000010110100011000011
31122001111120122121020001022
42311010012000112203003
53112324441434342123
642244021114300055
72422643514361136
oct265040600264303
948044518536038
1012442621012163
113a679822014a1
12148b56872762b
136c34460cc444
143103244a021d
151689db4821c8
hexb51060168c3

12442621012163 has 8 divisors (see below), whose sum is σ = 12519494241408. Its totient is φ = 12365935968384.

The previous prime is 12442621012103. The next prime is 12442621012243. The reversal of 12442621012163 is 36121012624421.

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 12442621012163 - 224 = 12442604234947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442621012103) 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, 46913720 + ... + 47178197.

It is an arithmetic number, because the mean of its divisors is an integer number (1564936780176).

Almost surely, 212442621012163 is an apocalyptic number.

12442621012163 is a deficient number, since it is larger than the sum of its proper divisors (76873229245).

12442621012163 is an equidigital number, since it uses as much as digits as its factorization.

12442621012163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94092733.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 12442621012163 its reverse (36121012624421), we get a palindrome (48563633636584).

The spelling of 12442621012163 in words is "twelve trillion, four hundred forty-two billion, six hundred twenty-one million, twelve thousand, one hundred sixty-three".

Divisors: 1 223 593 132239 94091917 20982497491 55796506781 12442621012163