Base | Representation |
---|---|
bin | 10010101110001011… |
… | …001010001010111101 |
3 | 1220212221111221010010 |
4 | 102232023022022331 |
5 | 312132104430023 |
6 | 13122412133433 |
7 | 1311101302332 |
oct | 225613121275 |
9 | 56787457103 |
10 | 20102030013 |
11 | 858608774a |
12 | 3a90167279 |
13 | 1b8487c420 |
14 | d89a84989 |
15 | 7c9bc2093 |
hex | 4ae2ca2bd |
20102030013 has 8 divisors (see below), whose sum is σ = 28864453408. Its totient is φ = 12370479984.
The previous prime is 20102029921. The next prime is 20102030051. The reversal of 20102030013 is 31003020102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20102030013 - 229 = 19565159101 is a prime.
It is a super-2 number, since 2×201020300132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102030093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257718295 + ... + 257718372.
It is an arithmetic number, because the mean of its divisors is an integer number (3608056676).
Almost surely, 220102030013 is an apocalyptic number.
It is an amenable number.
20102030013 is a deficient number, since it is larger than the sum of its proper divisors (8762423395).
20102030013 is a wasteful number, since it uses less digits than its factorization.
20102030013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515436683.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 20102030013 its reverse (31003020102), we get a palindrome (51105050115).
The spelling of 20102030013 in words is "twenty billion, one hundred two million, thirty thousand, thirteen".
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