Base | Representation |
---|---|
bin | 10011000001110001… |
… | …10110001101111100 |
3 | 222100221011121020022 |
4 | 21200320312031330 |
5 | 131410123340333 |
6 | 4405400311312 |
7 | 511101613340 |
oct | 114070661574 |
9 | 28327147208 |
10 | 10215449468 |
11 | 437239a424 |
12 | 1b91172538 |
13 | c6a523873 |
14 | 6cca07620 |
15 | 3ebc69c98 |
hex | 260e3637c |
10215449468 has 48 divisors (see below), whose sum is σ = 21106003968. Its totient is φ = 4233600000.
The previous prime is 10215449467. The next prime is 10215449477. The reversal of 10215449468 is 86494451201.
10215449468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×102154494682 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10215449467) 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 15 ways as a sum of consecutive naturals, for example, 1385993 + ... + 1393343.
It is an arithmetic number, because the mean of its divisors is an integer number (439708416).
Almost surely, 210215449468 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10215449468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10553001984).
10215449468 is an abundant number, since it is smaller than the sum of its proper divisors (10890554500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10215449468 is a wasteful number, since it uses less digits than its factorization.
10215449468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8994 (or 8992 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 44.
The spelling of 10215449468 in words is "ten billion, two hundred fifteen million, four hundred forty-nine thousand, four hundred sixty-eight".
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