Base | Representation |
---|---|
bin | 10010111010100100… |
… | …111000110010000000 |
3 | 1221102110001001000102 |
4 | 102322210320302000 |
5 | 313043341213440 |
6 | 13155203541532 |
7 | 1316206003541 |
oct | 227244706200 |
9 | 57373031012 |
10 | 20310101120 |
11 | 8682582641 |
12 | 3b2998a8a8 |
13 | 1bb8a0131a |
14 | da95684c8 |
15 | 7dd0c2b15 |
hex | 4ba938c80 |
20310101120 has 128 divisors (see below), whose sum is σ = 50003276400. Its totient is φ = 7883653120.
The previous prime is 20310101111. The next prime is 20310101153. The reversal of 20310101120 is 2110101302.
It can be written as a sum of positive squares in 8 ways, for example, as 5622600256 + 14687500864 = 74984^2 + 121192^2 .
It is a tau number, because it is divible by the number of its divisors (128).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5167316 + ... + 5171244.
Almost surely, 220310101120 is an apocalyptic number.
20310101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20310101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25001638200).
20310101120 is an abundant number, since it is smaller than the sum of its proper divisors (29693175280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310101120 is a wasteful number, since it uses less digits than its factorization.
20310101120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4186 (or 4174 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 20310101120 its reverse (2110101302), we get a palindrome (22420202422).
The spelling of 20310101120 in words is "twenty billion, three hundred ten million, one hundred one thousand, one hundred twenty".
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