Base | Representation |
---|---|
bin | 11001000101111101… |
… | …000110011110010100 |
3 | 2120112201212000121210 |
4 | 121011331012132110 |
5 | 420140010331410 |
6 | 20213323341420 |
7 | 1642453352250 |
oct | 310575063624 |
9 | 76481760553 |
10 | 26943448980 |
11 | 10476969008 |
12 | 527b381870 |
13 | 2705070726 |
14 | 1438521260 |
15 | a7a614220 |
hex | 645f46794 |
26943448980 has 48 divisors (see below), whose sum is σ = 86219038080. Its totient is φ = 6158502528.
The previous prime is 26943448967. The next prime is 26943448999. The reversal of 26943448980 is 8984434962.
It is a super-3 number, since 3×269434489803 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 26943448980.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32075115 + ... + 32075954.
It is an arithmetic number, because the mean of its divisors is an integer number (1796229960).
Almost surely, 226943448980 is an apocalyptic number.
26943448980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
26943448980 is an abundant number, since it is smaller than the sum of its proper divisors (59275589100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26943448980 is a wasteful number, since it uses less digits than its factorization.
26943448980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64151088 (or 64151086 counting only the distinct ones).
The product of its (nonzero) digits is 11943936, while the sum is 57.
The spelling of 26943448980 in words is "twenty-six billion, nine hundred forty-three million, four hundred forty-eight thousand, nine hundred eighty".
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