Base | Representation |
---|---|
bin | 10010111010001001… |
… | …110111000001011110 |
3 | 1221101221201002002200 |
4 | 102322021313001132 |
5 | 313040033003110 |
6 | 13154352032330 |
7 | 1316061534363 |
oct | 227211670136 |
9 | 57357632080 |
10 | 20303016030 |
11 | 86795834a0 |
12 | 3b275326a6 |
13 | 1bb73c046b |
14 | da864246a |
15 | 7dc6736c0 |
hex | 4ba27705e |
20303016030 has 96 divisors (see below), whose sum is σ = 58446430848. Its totient is φ = 4848465600.
The previous prime is 20303016017. The next prime is 20303016049. The reversal of 20303016030 is 3061030302.
It is a happy number.
20303016030 is a `hidden beast` number, since 2 + 0 + 30 + 30 + 1 + 603 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20303015994 and 20303016012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86716 + ... + 219375.
It is an arithmetic number, because the mean of its divisors is an integer number (608816988).
Almost surely, 220303016030 is an apocalyptic number.
20303016030 is an abundant number, since it is smaller than the sum of its proper divisors (38143414818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20303016030 is a wasteful number, since it uses less digits than its factorization.
20303016030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306182 (or 306179 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20303016030 its reverse (3061030302), we get a palindrome (23364046332).
The spelling of 20303016030 in words is "twenty billion, three hundred three million, sixteen thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •