Base | Representation |
---|---|
bin | 101111111101111111… |
… | …1100110110110010101 |
3 | 100211220002020221220120 |
4 | 1133323333212312111 |
5 | 3141432033100341 |
6 | 115153440422153 |
7 | 10304506403001 |
oct | 1377377466625 |
9 | 324802227816 |
10 | 103012003221 |
11 | 3a761654766 |
12 | 17b6a617959 |
13 | 993883757a |
14 | 4db30ad701 |
15 | 2a2d8a0066 |
hex | 17fbfe6d95 |
103012003221 has 8 divisors (see below), whose sum is σ = 137487938304. Its totient is φ = 68605368480.
The previous prime is 103012003219. The next prime is 103012003223. The reversal of 103012003221 is 122300210301.
It is an interprime number because it is at equal distance from previous prime (103012003219) and next prime (103012003223).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 103012003221 - 21 = 103012003219 is a prime.
It is a super-2 number, since 2×1030120032212 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 103012003221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103012003223) 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, 17321616 + ... + 17327561.
It is an arithmetic number, because the mean of its divisors is an integer number (17185992288).
Almost surely, 2103012003221 is an apocalyptic number.
It is an amenable number.
103012003221 is a deficient number, since it is larger than the sum of its proper divisors (34475935083).
103012003221 is an equidigital number, since it uses as much as digits as its factorization.
103012003221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34650171.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 103012003221 its reverse (122300210301), we get a palindrome (225312213522).
The spelling of 103012003221 in words is "one hundred three billion, twelve million, three thousand, two hundred twenty-one".
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