Base | Representation |
---|---|
bin | 10011001110010111… |
… | …00001110101101111 |
3 | 222122021210122002210 |
4 | 21213023201311233 |
5 | 132114134310111 |
6 | 4424051021503 |
7 | 513523065153 |
oct | 114713416557 |
9 | 28567718083 |
10 | 10321010031 |
11 | 4416a39662 |
12 | 200059a893 |
13 | c86363337 |
14 | 6dca45063 |
15 | 40616c0a6 |
hex | 2672e1d6f |
10321010031 has 4 divisors (see below), whose sum is σ = 13761346712. Its totient is φ = 6880673352.
The previous prime is 10321010009. The next prime is 10321010033. The reversal of 10321010031 is 13001012301.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 10321010031 - 26 = 10321009967 is a prime.
It is a super-2 number, since 2×103210100312 (a number of 21 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 = 10321009989 and 10321010016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10321010033) 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, 1720168336 + ... + 1720168341.
It is an arithmetic number, because the mean of its divisors is an integer number (3440336678).
Almost surely, 210321010031 is an apocalyptic number.
10321010031 is a deficient number, since it is larger than the sum of its proper divisors (3440336681).
10321010031 is an equidigital number, since it uses as much as digits as its factorization.
10321010031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3440336680.
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 10321010031 its reverse (13001012301), we get a palindrome (23322022332).
The spelling of 10321010031 in words is "ten billion, three hundred twenty-one million, ten thousand, thirty-one".
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