Base | Representation |
---|---|
bin | 11100101011000111111… |
… | …000000100101011010001 |
3 | 20222101001221021100121100 |
4 | 130223013320010223101 |
5 | 224240434241334034 |
6 | 4105113403215013 |
7 | 262234355636202 |
oct | 34530770045321 |
9 | 6871057240540 |
10 | 1970448386769 |
11 | 69a731821435 |
12 | 279a77217469 |
13 | 113a740528b5 |
14 | 6b527c035a9 |
15 | 363c8924099 |
hex | 1cac7e04ad1 |
1970448386769 has 12 divisors (see below), whose sum is σ = 2847054660736. Its totient is φ = 1313239287672.
The previous prime is 1970448386723. The next prime is 1970448386771. The reversal of 1970448386769 is 9676838440791.
1970448386769 is a `hidden beast` number, since 1 + 9 + 7 + 0 + 4 + 483 + 86 + 7 + 69 = 666.
It is not a de Polignac number, because 1970448386769 - 220 = 1970447338193 is a prime.
It is a super-2 number, since 2×19704483867692 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1970448386697 and 1970448386706.
It is not an unprimeable number, because it can be changed into a prime (1970448386069) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32715757 + ... + 32775930.
Almost surely, 21970448386769 is an apocalyptic number.
It is an amenable number.
1970448386769 is a deficient number, since it is larger than the sum of its proper divisors (876606273967).
1970448386769 is a wasteful number, since it uses less digits than its factorization.
1970448386769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65495036 (or 65495033 counting only the distinct ones).
The product of its (nonzero) digits is 438939648, while the sum is 72.
The spelling of 1970448386769 in words is "one trillion, nine hundred seventy billion, four hundred forty-eight million, three hundred eighty-six thousand, seven hundred sixty-nine".
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