Base | Representation |
---|---|
bin | 10010111010100100… |
… | …111001000001010110 |
3 | 1221102110001002100210 |
4 | 102322210321001112 |
5 | 313043341231402 |
6 | 13155203550250 |
7 | 1316206006443 |
oct | 227244710126 |
9 | 57373032323 |
10 | 20310102102 |
11 | 8682583354 |
12 | 3b2998b386 |
13 | 1bb8a018c4 |
14 | da95689ca |
15 | 7dd0c306c |
hex | 4ba939056 |
20310102102 has 8 divisors (see below), whose sum is σ = 40620204216. Its totient is φ = 6770034032.
The previous prime is 20310102101. The next prime is 20310102107. The reversal of 20310102102 is 20120101302.
It is a sphenic number, since it is the product of 3 distinct primes.
20310102102 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310102101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692508503 + ... + 1692508514.
It is an arithmetic number, because the mean of its divisors is an integer number (5077525527).
Almost surely, 220310102102 is an apocalyptic number.
20310102102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310102102 is a wasteful number, since it uses less digits than its factorization.
20310102102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3385017022.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20310102102 its reverse (20120101302), we get a palindrome (40430203404).
The spelling of 20310102102 in words is "twenty billion, three hundred ten million, one hundred two thousand, one hundred two".
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