Base | Representation |
---|---|
bin | 1100010010100001010… |
… | …1000101101011011111 |
3 | 202011222000101000000010 |
4 | 3010220111011223133 |
5 | 11424343240430211 |
6 | 240554120534303 |
7 | 21152666340450 |
oct | 3045025055337 |
9 | 664860330003 |
10 | 211130014431 |
11 | 815a3430836 |
12 | 34b03021393 |
13 | 16ba9168a2b |
14 | a30c357127 |
15 | 575a6464a6 |
hex | 3128545adf |
211130014431 has 8 divisors (see below), whose sum is σ = 321721926784. Its totient is φ = 120645722520.
The previous prime is 211130014423. The next prime is 211130014451. The reversal of 211130014431 is 134410031112.
211130014431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 211130014431 - 23 = 211130014423 is a prime.
It is a super-2 number, since 2×2111300144312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10053810211 = 211130014431 / (2 + 1 + 1 + 1 + 3 + 0 + 0 + 1 + 4 + 4 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 211130014398 and 211130014407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211130014451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5026905085 + ... + 5026905126.
It is an arithmetic number, because the mean of its divisors is an integer number (40215240848).
Almost surely, 2211130014431 is an apocalyptic number.
211130014431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
211130014431 is a deficient number, since it is larger than the sum of its proper divisors (110591912353).
211130014431 is a wasteful number, since it uses less digits than its factorization.
211130014431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10053810221.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 211130014431 its reverse (134410031112), we get a palindrome (345540045543).
The spelling of 211130014431 in words is "two hundred eleven billion, one hundred thirty million, fourteen thousand, four hundred thirty-one".
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