Base | Representation |
---|---|
bin | 10010101000001101… |
… | …101100011001100011 |
3 | 1220121222100110112111 |
4 | 102220031230121203 |
5 | 311431004444303 |
6 | 13104440540151 |
7 | 1305445313530 |
oct | 225015543143 |
9 | 56558313474 |
10 | 20002031203 |
11 | 8534697100 |
12 | 3a62781657 |
13 | 1b69c3932b |
14 | d7a693d87 |
15 | 7c101cb6d |
hex | 4a836c663 |
20002031203 has 24 divisors (see below), whose sum is σ = 25937085440. Its totient is φ = 15083204400.
The previous prime is 20002031123. The next prime is 20002031209. The reversal of 20002031203 is 30213020002.
It is a happy number.
It is not a de Polignac number, because 20002031203 - 29 = 20002030691 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20002031209) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354633 + ... + 407146.
Almost surely, 220002031203 is an apocalyptic number.
20002031203 is a deficient number, since it is larger than the sum of its proper divisors (5935054237).
20002031203 is a wasteful number, since it uses less digits than its factorization.
20002031203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 761839 (or 761828 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20002031203 its reverse (30213020002), we get a palindrome (50215051205).
The spelling of 20002031203 in words is "twenty billion, two million, thirty-one thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •