Base | Representation |
---|---|
bin | 111101100001001… |
… | …110101011000111 |
3 | 2122221010011212212 |
4 | 331201032223013 |
5 | 4103210333111 |
6 | 250225534035 |
7 | 34401612134 |
oct | 7541165307 |
9 | 2587104785 |
10 | 1032121031 |
11 | 48a672897 |
12 | 2497a431b |
13 | 135aa5706 |
14 | 9b10d58b |
15 | 6092898b |
hex | 3d84eac7 |
1032121031 has 8 divisors (see below), whose sum is σ = 1070947920. Its totient is φ = 993869568.
The previous prime is 1032121007. The next prime is 1032121127. The reversal of 1032121031 is 1301212301.
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 1032121031 - 210 = 1032120007 is a prime.
It is a super-2 number, since 2×10321210312 = 2130547645265005922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1032120997 and 1032121015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1032121931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140201 + ... + 147378.
It is an arithmetic number, because the mean of its divisors is an integer number (133868490).
Almost surely, 21032121031 is an apocalyptic number.
1032121031 is a deficient number, since it is larger than the sum of its proper divisors (38826889).
1032121031 is an equidigital number, since it uses as much as digits as its factorization.
1032121031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287713.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 1032121031 is about 32126.6405184233. The cubic root of 1032121031 is about 1010.5943732160.
Adding to 1032121031 its reverse (1301212301), we get a palindrome (2333333332).
The spelling of 1032121031 in words is "one billion, thirty-two million, one hundred twenty-one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •