Base | Representation |
---|---|
bin | 10010111010001010… |
… | …100100011011010001 |
3 | 1221101222001112012111 |
4 | 102322022210123101 |
5 | 313040104431001 |
6 | 13154400025321 |
7 | 1316063240515 |
oct | 227212443321 |
9 | 57358045174 |
10 | 20303202001 |
11 | 86796a0195 |
12 | 3b27602241 |
13 | 1bb7456cc4 |
14 | da8690145 |
15 | 7dc6ad851 |
hex | 4ba2a46d1 |
20303202001 has 16 divisors (see below), whose sum is σ = 21477839040. Its totient is φ = 19139328000.
The previous prime is 20303201981. The next prime is 20303202013. The reversal of 20303202001 is 10020230302.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 20303202001 - 29 = 20303201489 is a prime.
It is a super-2 number, since 2×203032020012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20303202061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8931201 + ... + 8933473.
It is an arithmetic number, because the mean of its divisors is an integer number (1342364940).
Almost surely, 220303202001 is an apocalyptic number.
It is an amenable number.
20303202001 is a deficient number, since it is larger than the sum of its proper divisors (1174637039).
20303202001 is a wasteful number, since it uses less digits than its factorization.
20303202001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4416.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20303202001 its reverse (10020230302), we get a palindrome (30323432303).
The spelling of 20303202001 in words is "twenty billion, three hundred three million, two hundred two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •