Base | Representation |
---|---|
bin | 101111100000110001… |
… | …0001110010100001110 |
3 | 100202100201202010001021 |
4 | 1133001202032110032 |
5 | 3132424443101110 |
6 | 114512243104354 |
7 | 10241300035423 |
oct | 1370142162416 |
9 | 322321663037 |
10 | 102031222030 |
11 | 3a2a8a682a1 |
12 | 179360720ba |
13 | 981059907a |
14 | 4d1cb25d4a |
15 | 29c27182da |
hex | 17c188e50e |
102031222030 has 32 divisors (see below), whose sum is σ = 194879654784. Its totient is φ = 38328761856.
The previous prime is 102031221983. The next prime is 102031222039. The reversal of 102031222030 is 30222130201.
It is a junction number, because it is equal to n+sod(n) for n = 102031221995 and 102031222013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102031222039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569437 + ... + 726856.
It is an arithmetic number, because the mean of its divisors is an integer number (6089989212).
Almost surely, 2102031222030 is an apocalyptic number.
102031222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102031222030 is a deficient number, since it is larger than the sum of its proper divisors (92848432754).
102031222030 is a wasteful number, since it uses less digits than its factorization.
102031222030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1296780.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 102031222030 its reverse (30222130201), we get a palindrome (132253352231).
The spelling of 102031222030 in words is "one hundred two billion, thirty-one million, two hundred twenty-two thousand, thirty".
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