Base | Representation |
---|---|
bin | 10010110111000010… |
… | …00010000111110000 |
3 | 222010122120120210100 |
4 | 21123201002013300 |
5 | 131214040230223 |
6 | 4352420432400 |
7 | 505625543250 |
oct | 113341020760 |
9 | 28118516710 |
10 | 10125320688 |
11 | 432653032a |
12 | 1b66b48700 |
13 | c54958122 |
14 | 6c0a65960 |
15 | 3e3db5043 |
hex | 25b8421f0 |
10125320688 has 120 divisors (see below), whose sum is σ = 33429733376. Its totient is φ = 2799619200.
The previous prime is 10125320687. The next prime is 10125320693. The reversal of 10125320688 is 88602352101.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10125320687) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130768 + ... + 193263.
Almost surely, 210125320688 is an apocalyptic number.
10125320688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
10125320688 is an abundant number, since it is smaller than the sum of its proper divisors (23304412688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10125320688 is a wasteful number, since it uses less digits than its factorization.
10125320688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324083 (or 324074 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
Adding to 10125320688 its reverse (88602352101), we get a palindrome (98727672789).
The spelling of 10125320688 in words is "ten billion, one hundred twenty-five million, three hundred twenty thousand, six hundred eighty-eight".
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