Base | Representation |
---|---|
bin | 101111111101111100… |
… | …0110011110010100101 |
3 | 100211212221220102110120 |
4 | 1133323320303302211 |
5 | 3141431104034341 |
6 | 115153334312153 |
7 | 10304455301445 |
oct | 1377370636245 |
9 | 324787812416 |
10 | 103010221221 |
11 | 3a760647936 |
12 | 17b69ab8659 |
13 | 993836242b |
14 | 4db2b68125 |
15 | 2a2d64c066 |
hex | 17fbe33ca5 |
103010221221 has 16 divisors (see below), whose sum is σ = 141076397184. Its totient is φ = 66809219904.
The previous prime is 103010221219. The next prime is 103010221291. The reversal of 103010221221 is 122122010301.
It is not a de Polignac number, because 103010221221 - 21 = 103010221219 is a prime.
It is a super-2 number, since 2×1030102212212 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103010221221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103010221291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924891 + ... + 1030263.
It is an arithmetic number, because the mean of its divisors is an integer number (8817274824).
Almost surely, 2103010221221 is an apocalyptic number.
It is an amenable number.
103010221221 is a deficient number, since it is larger than the sum of its proper divisors (38066175963).
103010221221 is a wasteful number, since it uses less digits than its factorization.
103010221221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114220.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 103010221221 its reverse (122122010301), we get a palindrome (225132231522).
The spelling of 103010221221 in words is "one hundred three billion, ten million, two hundred twenty-one thousand, two hundred twenty-one".
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