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16105162663445 = 57097615969861
BaseRepresentation
bin1110101001011100011001…
…1111111110011000010101
32010000122020110212121211112
43222113012133332120111
54102331333120212240
654130335400544405
73251362641633062
oct352270637763025
963018213777745
1016105162663445
11514a18550aa79
121981356482105
138ca93076a49b
143d96cb8a3c69
151cddeb49d665
hexea5c67fe615

16105162663445 has 16 divisors (see below), whose sum is σ = 19378888435440. Its totient is φ = 12849049075200.

The previous prime is 16105162663433. The next prime is 16105162663483. The reversal of 16105162663445 is 54436626150161.

It can be written as a sum of positive squares in 8 ways, for example, as 8528537573956 + 7576625089489 = 2920366^2 + 2752567^2 .

It is not a de Polignac number, because 16105162663445 - 242 = 11707116152341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16105162663393 and 16105162663402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287186 + ... + 5682675.

It is an arithmetic number, because the mean of its divisors is an integer number (1211180527215).

Almost surely, 216105162663445 is an apocalyptic number.

It is an amenable number.

16105162663445 is a deficient number, since it is larger than the sum of its proper divisors (3273725771995).

16105162663445 is an equidigital number, since it uses as much as digits as its factorization.

16105162663445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971336.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 16105162663445 in words is "sixteen trillion, one hundred five billion, one hundred sixty-two million, six hundred sixty-three thousand, four hundred forty-five".

Divisors: 1 5 709 761 3545 3805 539549 2697745 5969861 29849305 4232631449 4543064221 21163157245 22715321105 3221032532689 16105162663445