Base | Representation |
---|---|
bin | 10000001000011… |
… | …000000001100011 |
3 | 200212020110221210 |
4 | 100020120001203 |
5 | 1023240143021 |
6 | 42504321203 |
7 | 6464216460 |
oct | 2010300143 |
9 | 625213853 |
10 | 270631011 |
11 | 1298450a2 |
12 | 76773203 |
13 | 440b70c1 |
14 | 27d2a667 |
15 | 18b5be76 |
hex | 10218063 |
270631011 has 16 divisors (see below), whose sum is σ = 417612800. Its totient is φ = 152687808.
The previous prime is 270630991. The next prime is 270631013. The reversal of 270631011 is 110136072.
It is not a de Polignac number, because 270631011 - 25 = 270630979 is a prime.
It is a super-2 number, since 2×2706310112 = 146482288229764242, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (270631013) 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, 79906 + ... + 83223.
It is an arithmetic number, because the mean of its divisors is an integer number (26100800).
Almost surely, 2270631011 is an apocalyptic number.
270631011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
270631011 is a deficient number, since it is larger than the sum of its proper divisors (146981789).
270631011 is a wasteful number, since it uses less digits than its factorization.
270631011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163218.
The product of its (nonzero) digits is 252, while the sum is 21.
The square root of 270631011 is about 16450.8665729195. The cubic root of 270631011 is about 646.8335234159.
Adding to 270631011 its reverse (110136072), we get a palindrome (380767083).
The spelling of 270631011 in words is "two hundred seventy million, six hundred thirty-one thousand, eleven".
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