Base | Representation |
---|---|
bin | 110000000100100011… |
… | …1010111101110001101 |
3 | 100212110102111011211212 |
4 | 1200021013113232031 |
5 | 3142404412022341 |
6 | 115231343024205 |
7 | 10313121505445 |
oct | 1401107275615 |
9 | 325412434755 |
10 | 103232142221 |
11 | 3a86494241a |
12 | 1801029b065 |
13 | 9972323330 |
14 | 4dd4415125 |
15 | 2a42d865eb |
hex | 18091d7b8d |
103232142221 has 16 divisors (see below), whose sum is σ = 112011365760. Its totient is φ = 94573828800.
The previous prime is 103232142127. The next prime is 103232142241. The reversal of 103232142221 is 122241232301.
It is a cyclic number.
It is not a de Polignac number, because 103232142221 - 214 = 103232125837 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103232142241) 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, 2181035 + ... + 2227863.
It is an arithmetic number, because the mean of its divisors is an integer number (7000710360).
Almost surely, 2103232142221 is an apocalyptic number.
It is an amenable number.
103232142221 is a deficient number, since it is larger than the sum of its proper divisors (8779223539).
103232142221 is a wasteful number, since it uses less digits than its factorization.
103232142221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48116.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 103232142221 its reverse (122241232301), we get a palindrome (225473374522).
The spelling of 103232142221 in words is "one hundred three billion, two hundred thirty-two million, one hundred forty-two thousand, two hundred twenty-one".
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