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2719830792689 = 7145338064613
BaseRepresentation
bin100111100101000010100…
…011000101100111110001
3100122000100200110220011022
4213211002203011213301
5324030203140331224
65441250101025225
7400333641200513
oct47450243054761
910560320426138
102719830792689
1195952363854a
1237b1559b5215
1316962c31366a
14958d77d1bb3
154ab3802a65e
hex279428c59f1

2719830792689 has 4 divisors (see below), whose sum is σ = 2719868928756. Its totient is φ = 2719792656624.

The previous prime is 2719830792661. The next prime is 2719830792719. The reversal of 2719830792689 is 9862970389172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1917623957089 + 802206835600 = 1384783^2 + 895660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2719830792689 - 216 = 2719830727153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2719830702689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18960854 + ... + 19103759.

It is an arithmetic number, because the mean of its divisors is an integer number (679967232189).

Almost surely, 22719830792689 is an apocalyptic number.

It is an amenable number.

2719830792689 is a deficient number, since it is larger than the sum of its proper divisors (38136067).

2719830792689 is an equidigital number, since it uses as much as digits as its factorization.

2719830792689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38136066.

The product of its (nonzero) digits is 164602368, while the sum is 71.

The spelling of 2719830792689 in words is "two trillion, seven hundred nineteen billion, eight hundred thirty million, seven hundred ninety-two thousand, six hundred eighty-nine".

Divisors: 1 71453 38064613 2719830792689