Base | Representation |
---|---|
bin | 10000101001111111… |
… | …11100100011001001 |
3 | 212002012101221220220 |
4 | 20110333330203021 |
5 | 121303203220433 |
6 | 4035155140253 |
7 | 434411542236 |
oct | 102477744311 |
9 | 25065357826 |
10 | 8942241993 |
11 | 3879731843 |
12 | 18968a4689 |
13 | ac6809969 |
14 | 60b89c78d |
15 | 3750bd2b3 |
hex | 214ffc8c9 |
8942241993 has 8 divisors (see below), whose sum is σ = 11974161888. Its totient is φ = 5935908384.
The previous prime is 8942241977. The next prime is 8942242007. The reversal of 8942241993 is 3991422498.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8942241993 - 24 = 8942241977 is a prime.
It is a super-2 number, since 2×89422419932 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8942241193) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6395755 + ... + 6397152.
It is an arithmetic number, because the mean of its divisors is an integer number (1496770236).
Almost surely, 28942241993 is an apocalyptic number.
It is an amenable number.
8942241993 is a deficient number, since it is larger than the sum of its proper divisors (3031919895).
8942241993 is a wasteful number, since it uses less digits than its factorization.
8942241993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12793143.
The product of its digits is 1119744, while the sum is 51.
The square root of 8942241993 is about 94563.4284118337. The cubic root of 8942241993 is about 2075.6245852299.
The spelling of 8942241993 in words is "eight billion, nine hundred forty-two million, two hundred forty-one thousand, nine hundred ninety-three".
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