Base | Representation |
---|---|
bin | 11100101011010001110… |
… | …100010000111101111001 |
3 | 20222101111120002100102111 |
4 | 130223101310100331321 |
5 | 224241304440120242 |
6 | 4105142121532321 |
7 | 262241452330441 |
oct | 34532164207571 |
9 | 6871446070374 |
10 | 1970615160697 |
11 | 69a807980127 |
12 | 279b030440a1 |
13 | 113a9c7756b1 |
14 | 6b542017121 |
15 | 363d83b8817 |
hex | 1cad1d10f79 |
1970615160697 has 4 divisors (see below), whose sum is σ = 1974889814436. Its totient is φ = 1966340506960.
The previous prime is 1970615160643. The next prime is 1970615160737. The reversal of 1970615160697 is 7960615160791.
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 742554464656 + 1228060696041 = 861716^2 + 1108179^2 .
It is a cyclic number.
It is not a de Polignac number, because 1970615160697 - 235 = 1936255422329 is a prime.
It is a super-2 number, since 2×19706151606972 (a number of 25 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1970615160617) 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, 2137326178 + ... + 2137327099.
It is an arithmetic number, because the mean of its divisors is an integer number (493722453609).
Almost surely, 21970615160697 is an apocalyptic number.
It is an amenable number.
1970615160697 is a deficient number, since it is larger than the sum of its proper divisors (4274653739).
1970615160697 is an equidigital number, since it uses as much as digits as its factorization.
1970615160697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4274653738.
The product of its (nonzero) digits is 4286520, while the sum is 58.
It can be divided in two parts, 1970615 and 160697, that added together give a palindrome (2131312).
The spelling of 1970615160697 in words is "one trillion, nine hundred seventy billion, six hundred fifteen million, one hundred sixty thousand, six hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •