Base | Representation |
---|---|
bin | 10010101001111011… |
… | …000100010010011111 |
3 | 1220200222022010111200 |
4 | 102221323010102133 |
5 | 312010324442001 |
6 | 13111343250543 |
7 | 1306244110203 |
oct | 225173042237 |
9 | 56628263450 |
10 | 20030702751 |
11 | 854989a4a4 |
12 | 3a702a9a53 |
13 | 1b72b67747 |
14 | d803d8b03 |
15 | 7c37d3086 |
hex | 4a9ec449f |
20030702751 has 24 divisors (see below), whose sum is σ = 29080462320. Its totient is φ = 13285990656.
The previous prime is 20030702743. The next prime is 20030702759. The reversal of 20030702751 is 15720703002.
It is an interprime number because it is at equal distance from previous prime (20030702743) and next prime (20030702759).
It is not a de Polignac number, because 20030702751 - 23 = 20030702743 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20030702759) 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, 1900071 + ... + 1910583.
It is an arithmetic number, because the mean of its divisors is an integer number (1211685930).
Almost surely, 220030702751 is an apocalyptic number.
20030702751 is a deficient number, since it is larger than the sum of its proper divisors (9049759569).
20030702751 is a wasteful number, since it uses less digits than its factorization.
20030702751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11575 (or 11572 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The spelling of 20030702751 in words is "twenty billion, thirty million, seven hundred two thousand, seven hundred fifty-one".
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