Search a number
-
+
2129690994783 = 311217333912817
BaseRepresentation
bin11110111111011011011…
…110011010100001011111
321112121002211100000010020
4132333123132122201133
5234343101343313113
64310211101043223
7306602504525412
oct36773336324137
97477084300106
102129690994783
11751219055800
122a48b9256513
13125aa1407281
1475112cbdb79
153a5e8b54023
hex1efdb79a85f

2129690994783 has 24 divisors (see below), whose sum is σ = 3139241736624. Its totient is φ = 1283260957440.

The previous prime is 2129690994763. The next prime is 2129690994829. The reversal of 2129690994783 is 3874990969212.

It is not a de Polignac number, because 2129690994783 - 25 = 2129690994751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129690994713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16893610 + ... + 17019207.

It is an arithmetic number, because the mean of its divisors is an integer number (130801739026).

Almost surely, 22129690994783 is an apocalyptic number.

2129690994783 is a deficient number, since it is larger than the sum of its proper divisors (1009550741841).

2129690994783 is a wasteful number, since it uses less digits than its factorization.

2129690994783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33913015 (or 33913004 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 69.

The spelling of 2129690994783 in words is "two trillion, one hundred twenty-nine billion, six hundred ninety million, nine hundred ninety-four thousand, seven hundred eighty-three".

Divisors: 1 3 11 33 121 173 363 519 1903 5709 20933 62799 33912817 101738451 373040987 1119122961 4103450857 5866917341 12310352571 17600752023 64536090751 193608272253 709896998261 2129690994783