Base | Representation |
---|---|
bin | 110010110110101111001… |
… | …0001001111101100000001 |
3 | 220202012002210212212000001 |
4 | 1211231132101033230001 |
5 | 1404003440300311401 |
6 | 22510532352000001 |
7 | 1320655106244541 |
oct | 145553621175401 |
9 | 26665083785001 |
10 | 6989493369601 |
11 | 2255255878426 |
12 | 94a73b230001 |
13 | 3b914c9a4172 |
14 | 1a2416ab3321 |
15 | c1c2d118601 |
hex | 65b5e44fb01 |
6989493369601 has 4 divisors (see below), whose sum is σ = 7044528750592. Its totient is φ = 6934457988612.
The previous prime is 6989493369571. The next prime is 6989493369631. The reversal of 6989493369601 is 1069633949896.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (6989493369571) and next prime (6989493369631).
It is a cyclic number.
It is not a de Polignac number, because 6989493369601 - 231 = 6987345885953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6989493369631) 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, 27517690305 + ... + 27517690558.
It is an arithmetic number, because the mean of its divisors is an integer number (1761132187648).
Almost surely, 26989493369601 is an apocalyptic number.
It is an amenable number.
6989493369601 is a deficient number, since it is larger than the sum of its proper divisors (55035380991).
6989493369601 is a wasteful number, since it uses less digits than its factorization.
6989493369601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55035380990.
The product of its (nonzero) digits is 408146688, while the sum is 73.
The spelling of 6989493369601 in words is "six trillion, nine hundred eighty-nine billion, four hundred ninety-three million, three hundred sixty-nine thousand, six hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •