Base | Representation |
---|---|
bin | 1111011101101011110… |
… | …11000100111111001110 |
3 | 1212210110112001011111010 |
4 | 13232311323010333032 |
5 | 32201132240443210 |
6 | 1044031401110050 |
7 | 53246634114111 |
oct | 7566573047716 |
9 | 1783415034433 |
10 | 531333140430 |
11 | 195378784684 |
12 | 86b86488326 |
13 | 3b148782361 |
14 | 1ba06738578 |
15 | dc4b7e6920 |
hex | 7bb5ec4fce |
531333140430 has 16 divisors (see below), whose sum is σ = 1275199537104. Its totient is φ = 141688837440.
The previous prime is 531333140407. The next prime is 531333140453. The reversal of 531333140430 is 34041333135.
It is an interprime number because it is at equal distance from previous prime (531333140407) and next prime (531333140453).
It is a super-2 number, since 2×5313331404302 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 17711104681 = 531333140430 / (5 + 3 + 1 + 3 + 3 + 3 + 1 + 4 + 0 + 4 + 3 + 0).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8855552311 + ... + 8855552370.
It is an arithmetic number, because the mean of its divisors is an integer number (79699971069).
Almost surely, 2531333140430 is an apocalyptic number.
531333140430 is an abundant number, since it is smaller than the sum of its proper divisors (743866396674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531333140430 is a wasteful number, since it uses less digits than its factorization.
531333140430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17711104691.
The product of its (nonzero) digits is 19440, while the sum is 30.
Adding to 531333140430 its reverse (34041333135), we get a palindrome (565374473565).
The spelling of 531333140430 in words is "five hundred thirty-one billion, three hundred thirty-three million, one hundred forty thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •