Base | Representation |
---|---|
bin | 10010111011010110… |
… | …011111000100100010 |
3 | 1221110100111121020220 |
4 | 102323112133010202 |
5 | 313110203244020 |
6 | 13200350343510 |
7 | 1316424345120 |
oct | 227326370442 |
9 | 57410447226 |
10 | 20323103010 |
11 | 8689953101 |
12 | 3b321bab96 |
13 | 1bbb604352 |
14 | dab190910 |
15 | 7de2e0240 |
hex | 4bb59f122 |
20323103010 has 128 divisors (see below), whose sum is σ = 56136499200. Its totient is φ = 4612661760.
The previous prime is 20323102967. The next prime is 20323103023. The reversal of 20323103010 is 1030132302.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28265431 + ... + 28266149.
It is an arithmetic number, because the mean of its divisors is an integer number (438566400).
Almost surely, 220323103010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20323103010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28068249600).
20323103010 is an abundant number, since it is smaller than the sum of its proper divisors (35813396190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20323103010 is a wasteful number, since it uses less digits than its factorization.
20323103010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1496.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20323103010 its reverse (1030132302), we get a palindrome (21353235312).
The spelling of 20323103010 in words is "twenty billion, three hundred twenty-three million, one hundred three thousand, ten".
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