Base | Representation |
---|---|
bin | 101111111101111110… |
… | …0100101001100001001 |
3 | 100211220000202122210202 |
4 | 1133323330211030021 |
5 | 3141431332204433 |
6 | 115153411421545 |
7 | 10304466560246 |
oct | 1377374451411 |
9 | 324800678722 |
10 | 103011209993 |
11 | 3a7611627aa |
12 | 17b6a2b48b5 |
13 | 993861a4c3 |
14 | 4db2d445cd |
15 | 2a2d794ee8 |
hex | 17fbf25309 |
103011209993 has 4 divisors (see below), whose sum is σ = 104315149440. Its totient is φ = 101707270548.
The previous prime is 103011209953. The next prime is 103011210007. The reversal of 103011209993 is 399902110301.
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: 399902110301 = 129443 ⋅3089407.
It is a cyclic number.
It is not a de Polignac number, because 103011209993 - 212 = 103011205897 is a prime.
It is a super-2 number, since 2×1030112099932 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103011209933) 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, 651969605 + ... + 651969762.
It is an arithmetic number, because the mean of its divisors is an integer number (26078787360).
Almost surely, 2103011209993 is an apocalyptic number.
It is an amenable number.
103011209993 is a deficient number, since it is larger than the sum of its proper divisors (1303939447).
103011209993 is an equidigital number, since it uses as much as digits as its factorization.
103011209993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1303939446.
The product of its (nonzero) digits is 13122, while the sum is 38.
The spelling of 103011209993 in words is "one hundred three billion, eleven million, two hundred nine thousand, nine hundred ninety-three".
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