Base | Representation |
---|---|
bin | 10010110100011000… |
… | …00000011000100011 |
3 | 222002002122011112121 |
4 | 21122030000120203 |
5 | 131142334000311 |
6 | 4350303005111 |
7 | 505235230561 |
oct | 113214003043 |
9 | 28062564477 |
10 | 10103031331 |
11 | 4314996a78 |
12 | 1b5b599797 |
13 | c50152963 |
14 | 6bbb02a31 |
15 | 3e1e60b71 |
hex | 25a300623 |
10103031331 has 16 divisors (see below), whose sum is σ = 10412686944. Its totient is φ = 9797001984.
The previous prime is 10103031307. The next prime is 10103031373. The reversal of 10103031331 is 13313030101.
It is a cyclic number.
It is not a de Polignac number, because 10103031331 - 229 = 9566160419 is a prime.
It is a super-2 number, since 2×101030313312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10103031431) 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, 5225641 + ... + 5227573.
It is an arithmetic number, because the mean of its divisors is an integer number (650792934).
Almost surely, 210103031331 is an apocalyptic number.
10103031331 is a deficient number, since it is larger than the sum of its proper divisors (309655613).
10103031331 is a wasteful number, since it uses less digits than its factorization.
10103031331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2790.
The product of its (nonzero) digits is 81, while the sum is 16.
Adding to 10103031331 its reverse (13313030101), we get a palindrome (23416061432).
The spelling of 10103031331 in words is "ten billion, one hundred three million, thirty-one thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •