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2123355714481 = 67310692951413
BaseRepresentation
bin11110111001100001110…
…111001111001110110001
321111222202022101102100001
4132321201313033032301
5234242113030330411
64303242310030001
7306256506530431
oct36714167171661
97458668342301
102123355714481
11749567a43961
122a362b648301
13125301a3a1c1
1474ab17562c1
153a37788ddc1
hex1ee61dcf3b1

2123355714481 has 8 divisors (see below), whose sum is σ = 2128500748520. Its totient is φ = 2118216586752.

The previous prime is 2123355714367. The next prime is 2123355714497. The reversal of 2123355714481 is 1844175533212.

It can be written as a sum of positive squares in 4 ways, for example, as 3929283856 + 2119426430625 = 62684^2 + 1455825^2 .

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 2123355714481 - 27 = 2123355714353 is a prime.

It is a super-2 number, since 2×21233557144812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123355711481) 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, 756270 + ... + 2195143.

It is an arithmetic number, because the mean of its divisors is an integer number (266062593565).

Almost surely, 22123355714481 is an apocalyptic number.

It is an amenable number.

2123355714481 is a deficient number, since it is larger than the sum of its proper divisors (5145034039).

2123355714481 is a wasteful number, since it uses less digits than its factorization.

2123355714481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953155.

The product of its digits is 806400, while the sum is 46.

The spelling of 2123355714481 in words is "two trillion, one hundred twenty-three billion, three hundred fifty-five million, seven hundred fourteen thousand, four hundred eighty-one".

Divisors: 1 673 1069 719437 2951413 1986300949 3155060497 2123355714481