Base | Representation |
---|---|
bin | 1101001010110001… |
… | …01111100000100101 |
3 | 200020200212122222010 |
4 | 12211120233200211 |
5 | 103434320201424 |
6 | 3125304024433 |
7 | 340123256511 |
oct | 64530574045 |
9 | 20220778863 |
10 | 7069693989 |
11 | 2aa8726806 |
12 | 1453762119 |
13 | 8888983a7 |
14 | 4b0cdd141 |
15 | 2b59d4229 |
hex | 1a562f825 |
7069693989 has 4 divisors (see below), whose sum is σ = 9426258656. Its totient is φ = 4713129324.
The previous prime is 7069693949. The next prime is 7069693991. The reversal of 7069693989 is 9893969607.
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, and also an emirpimes, since its reverse is a distinct semiprime: 9893969607 = 3 ⋅3297989869.
It is a de Polignac number, because none of the positive numbers 2k-7069693989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7069693949) 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, 1178282329 + ... + 1178282334.
It is an arithmetic number, because the mean of its divisors is an integer number (2356564664).
Almost surely, 27069693989 is an apocalyptic number.
It is an amenable number.
7069693989 is a deficient number, since it is larger than the sum of its proper divisors (2356564667).
7069693989 is a wasteful number, since it uses less digits than its factorization.
7069693989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2356564666.
The product of its (nonzero) digits is 39680928, while the sum is 66.
The square root of 7069693989 is about 84081.4723289263. The cubic root of 7069693989 is about 1919.2587913157.
The spelling of 7069693989 in words is "seven billion, sixty-nine million, six hundred ninety-three thousand, nine hundred eighty-nine".
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