Base | Representation |
---|---|
bin | 101111101000110111… |
… | …1011110110101100111 |
3 | 100210001200101121211002 |
4 | 1133101233132311213 |
5 | 3134004100224111 |
6 | 114555235103515 |
7 | 10251111166031 |
oct | 1372157366547 |
9 | 323050347732 |
10 | 102303133031 |
11 | 3a4284a7030 |
12 | 179b1141b9b |
13 | 9854a10958 |
14 | 4d46ca6c51 |
15 | 29db52963b |
hex | 17d1bded67 |
102303133031 has 4 divisors (see below), whose sum is σ = 111603417864. Its totient is φ = 93002848200.
The previous prime is 102303133019. The next prime is 102303133073. The reversal of 102303133031 is 130331303201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102303133031 - 210 = 102303132007 is a prime.
It is a super-2 number, since 2×1023031330312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102303132994 and 102303133012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102303132031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650142400 + ... + 4650142421.
It is an arithmetic number, because the mean of its divisors is an integer number (27900854466).
Almost surely, 2102303133031 is an apocalyptic number.
102303133031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
102303133031 is a deficient number, since it is larger than the sum of its proper divisors (9300284833).
102303133031 is an equidigital number, since it uses as much as digits as its factorization.
102303133031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9300284832.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 102303133031 its reverse (130331303201), we get a palindrome (232634436232).
The spelling of 102303133031 in words is "one hundred two billion, three hundred three million, one hundred thirty-three thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •