Base | Representation |
---|---|
bin | 111110100111111… |
… | …0101001100001111 |
3 | 12102102222012111011 |
4 | 1331033311030033 |
5 | 13300413131111 |
6 | 544302110051 |
7 | 103033525663 |
oct | 17517651417 |
9 | 5372865434 |
10 | 2101302031 |
11 | 989148354 |
12 | 4a787b327 |
13 | 2764556aa |
14 | 15d1088a3 |
15 | c4723021 |
hex | 7d3f530f |
2101302031 has 8 divisors (see below), whose sum is σ = 2109607200. Its totient is φ = 2093011200.
The previous prime is 2101302019. The next prime is 2101302037. The reversal of 2101302031 is 1302031012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2101302031 - 29 = 2101301519 is a prime.
It is a super-2 number, since 2×21013020312 = 8830940450969449922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101302037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359331 + ... + 365131.
It is an arithmetic number, because the mean of its divisors is an integer number (263700900).
Almost surely, 22101302031 is an apocalyptic number.
2101302031 is a deficient number, since it is larger than the sum of its proper divisors (8305169).
2101302031 is a wasteful number, since it uses less digits than its factorization.
2101302031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7169.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 2101302031 is about 45839.9610711004. The cubic root of 2101302031 is about 1280.8437696375.
Adding to 2101302031 its reverse (1302031012), we get a palindrome (3403333043).
The spelling of 2101302031 in words is "two billion, one hundred one million, three hundred two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •