Base | Representation |
---|---|
bin | 100110010101… |
… | …1111101100010 |
3 | 1101211100010221 |
4 | 1030223331202 |
5 | 20121244020 |
6 | 1554513254 |
7 | 332605234 |
oct | 114537542 |
9 | 41740127 |
10 | 20103010 |
11 | 10390764 |
12 | 689582a |
13 | 421b295 |
14 | 2954254 |
15 | 1b716aa |
hex | 132bf62 |
20103010 has 16 divisors (see below), whose sum is σ = 38314296. Its totient is φ = 7568128.
The previous prime is 20102983. The next prime is 20103047. The reversal of 20103010 is 1030102.
It can be written as a sum of positive squares in 4 ways, for example, as 18636489 + 1466521 = 4317^2 + 1211^2 .
It is a super-2 number, since 2×201030102 = 808262022120200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20102984 and 20103002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58957 + ... + 59296.
Almost surely, 220103010 is an apocalyptic number.
20103010 is a deficient number, since it is larger than the sum of its proper divisors (18211286).
20103010 is a wasteful number, since it uses less digits than its factorization.
20103010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118277.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 20103010 is about 4483.6380317773. The cubic root of 20103010 is about 271.9069841263.
Adding to 20103010 its reverse (1030102), we get a palindrome (21133112).
The spelling of 20103010 in words is "twenty million, one hundred three thousand, ten".
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