Base | Representation |
---|---|
bin | 10010101000010101… |
… | …01001011101011001 |
3 | 221211001112212001122 |
4 | 21110022221131121 |
5 | 130441003340433 |
6 | 4332253455025 |
7 | 502600461551 |
oct | 112412513531 |
9 | 27731485048 |
10 | 10002011993 |
11 | 4272969716 |
12 | 1b317a1475 |
13 | c352431bc |
14 | 6ac528161 |
15 | 3d8159198 |
hex | 2542a9759 |
10002011993 has 8 divisors (see below), whose sum is σ = 10178494560. Its totient is φ = 9825761440.
The previous prime is 10002011963. The next prime is 10002012011. The reversal of 10002011993 is 39911020001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10002011993 - 210 = 10002010969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10002011923) 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, 30146 + ... + 144612.
It is an arithmetic number, because the mean of its divisors is an integer number (1272311820).
Almost surely, 210002011993 is an apocalyptic number.
It is an amenable number.
10002011993 is a deficient number, since it is larger than the sum of its proper divisors (176482567).
10002011993 is a wasteful number, since it uses less digits than its factorization.
10002011993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116007.
The product of its (nonzero) digits is 486, while the sum is 26.
Adding to 10002011993 its reverse (39911020001), we get a palindrome (49913031994).
The spelling of 10002011993 in words is "ten billion, two million, eleven thousand, nine hundred ninety-three".
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