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1716942097 = 13132072469
BaseRepresentation
bin110011001010110…
…0111010100010001
311102122201200210001
41212111213110101
512004014121342
6442212010001
760355524043
oct14625472421
94378650701
101716942097
11801195012
123bb000901
1321492bb90
14124055a93
15a0aed8b7
hex66567511

1716942097 has 4 divisors (see below), whose sum is σ = 1849014580. Its totient is φ = 1584869616.

The previous prime is 1716942091. The next prime is 1716942103. The reversal of 1716942097 is 7902496171.

It is a Cunningham number, because it is equal to 414362+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7902496171 = 10459755569.

It is an interprime number because it is at equal distance from previous prime (1716942091) and next prime (1716942103).

It can be written as a sum of positive squares in 2 ways, for example, as 253956096 + 1462986001 = 15936^2 + 38249^2 .

It is a cyclic number.

It is not a de Polignac number, because 1716942097 - 215 = 1716909329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1716942091) 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, 66036222 + ... + 66036247.

It is an arithmetic number, because the mean of its divisors is an integer number (462253645).

Almost surely, 21716942097 is an apocalyptic number.

It is an amenable number.

1716942097 is a deficient number, since it is larger than the sum of its proper divisors (132072483).

1716942097 is a wasteful number, since it uses less digits than its factorization.

1716942097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132072482.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 1716942097 is about 41436.0000120668. Note that the first 4 decimals coincide. The cubic root of 1716942097 is about 1197.4348206846.

The spelling of 1716942097 in words is "one billion, seven hundred sixteen million, nine hundred forty-two thousand, ninety-seven".

Divisors: 1 13 132072469 1716942097