Base | Representation |
---|---|
bin | 11100111011110010010… |
… | …00100010100000110111 |
3 | 10112001010101201212112011 |
4 | 32131321020202200313 |
5 | 112242024422231111 |
6 | 2040414255305051 |
7 | 131553311151445 |
oct | 16357110424067 |
9 | 3461111655464 |
10 | 994169727031 |
11 | 353696990588 |
12 | 14081551b187 |
13 | 72999417a90 |
14 | 36191db9b95 |
15 | 1acd99a8021 |
hex | e779222837 |
994169727031 has 4 divisors (see below), whose sum is σ = 1070644321432. Its totient is φ = 917695132632.
The previous prime is 994169727013. The next prime is 994169727037. The reversal of 994169727031 is 130727961499.
994169727031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 994169727031 - 25 = 994169726999 is a prime.
It is a super-2 number, since 2×9941697270312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (994169727037) 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, 38237297181 + ... + 38237297206.
It is an arithmetic number, because the mean of its divisors is an integer number (267661080358).
Almost surely, 2994169727031 is an apocalyptic number.
994169727031 is a deficient number, since it is larger than the sum of its proper divisors (76474594401).
994169727031 is a wasteful number, since it uses less digits than its factorization.
994169727031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76474594400.
The product of its (nonzero) digits is 5143824, while the sum is 58.
The spelling of 994169727031 in words is "nine hundred ninety-four billion, one hundred sixty-nine million, seven hundred twenty-seven thousand, thirty-one".
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