Base | Representation |
---|---|
bin | 10011000001101110… |
… | …10000001000100011 |
3 | 222100220101100122202 |
4 | 21200313100020203 |
5 | 131410022000311 |
6 | 4405343323415 |
7 | 511065222311 |
oct | 114067201043 |
9 | 28326340582 |
10 | 10215031331 |
11 | 437213425a |
12 | 1b90bb056b |
13 | c6a40844b |
14 | 6cc9390b1 |
15 | 3ebbd5e3b |
hex | 260dd0223 |
10215031331 has 8 divisors (see below), whose sum is σ = 10661686560. Its totient is φ = 9768586432.
The previous prime is 10215031319. The next prime is 10215031397. The reversal of 10215031331 is 13313051201.
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 10215031331 - 222 = 10210837027 is a prime.
It is a super-2 number, since 2×102150313312 (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 (10215031831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51041 + ... + 151773.
It is an arithmetic number, because the mean of its divisors is an integer number (1332710820).
Almost surely, 210215031331 is an apocalyptic number.
10215031331 is a deficient number, since it is larger than the sum of its proper divisors (446655229).
10215031331 is a wasteful number, since it uses less digits than its factorization.
10215031331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105165.
The product of its (nonzero) digits is 270, while the sum is 20.
Adding to 10215031331 its reverse (13313051201), we get a palindrome (23528082532).
The spelling of 10215031331 in words is "ten billion, two hundred fifteen million, thirty-one thousand, three hundred thirty-one".
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