Base | Representation |
---|---|
bin | 10010111010001010… |
… | …001100000001000111 |
3 | 1221101221212110001121 |
4 | 102322022030001013 |
5 | 313040043231043 |
6 | 13154353534411 |
7 | 1316062343161 |
oct | 227212140107 |
9 | 57357773047 |
10 | 20303102023 |
11 | 8679632066 |
12 | 3b27574407 |
13 | 1bb7420649 |
14 | da8665931 |
15 | 7dc68dded |
hex | 4ba28c047 |
20303102023 has 16 divisors (see below), whose sum is σ = 22652593920. Its totient is φ = 18084076416.
The previous prime is 20303102003. The next prime is 20303102059. The reversal of 20303102023 is 32020130302.
It is a cyclic number.
It is not a de Polignac number, because 20303102023 - 225 = 20269547591 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20303101988 and 20303102006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20303102003) 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, 279840 + ... + 344842.
It is an arithmetic number, because the mean of its divisors is an integer number (1415787120).
Almost surely, 220303102023 is an apocalyptic number.
20303102023 is a deficient number, since it is larger than the sum of its proper divisors (2349491897).
20303102023 is a wasteful number, since it uses less digits than its factorization.
20303102023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66006.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 20303102023 its reverse (32020130302), we get a palindrome (52323232325).
The spelling of 20303102023 in words is "twenty billion, three hundred three million, one hundred two thousand, twenty-three".
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