Base | Representation |
---|---|
bin | 1000000000111010… |
… | …1100010001110111 |
3 | 12112221010010212020 |
4 | 2000032230101313 |
5 | 13401220210111 |
6 | 553250324223 |
7 | 104212021536 |
oct | 20016542167 |
9 | 5487103766 |
10 | 2151335031 |
11 | a0441093a |
12 | 500589673 |
13 | 283922b11 |
14 | 165a1031d |
15 | c8d07906 |
hex | 803ac477 |
2151335031 has 16 divisors (see below), whose sum is σ = 2959580160. Its totient is φ = 1389342240.
The previous prime is 2151335029. The next prime is 2151335063. The reversal of 2151335031 is 1305331512.
It is not a de Polignac number, because 2151335031 - 21 = 2151335029 is a prime.
It is a super-2 number, since 2×21513350312 = 9256484831215541922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2151334992 and 2151335010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2151330031) 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, 73075 + ... + 98196.
It is an arithmetic number, because the mean of its divisors is an integer number (184973760).
Almost surely, 22151335031 is an apocalyptic number.
2151335031 is a deficient number, since it is larger than the sum of its proper divisors (808245129).
2151335031 is a wasteful number, since it uses less digits than its factorization.
2151335031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171406.
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 2151335031 is about 46382.4862528951. The cubic root of 2151335031 is about 1290.9299688034.
Adding to 2151335031 its reverse (1305331512), we get a palindrome (3456666543).
The spelling of 2151335031 in words is "two billion, one hundred fifty-one million, three hundred thirty-five thousand, thirty-one".
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