Base | Representation |
---|---|
bin | 101111100010111010… |
… | …0100010110000010000 |
3 | 100202112202001120121221 |
4 | 1133011310202300100 |
5 | 3133101400230300 |
6 | 114523332254424 |
7 | 10243132212115 |
oct | 1370564426020 |
9 | 322482046557 |
10 | 102103133200 |
11 | 3a335614212 |
12 | 17956171414 |
13 | 9822456763 |
14 | 4d284c490c |
15 | 29c8bc031a |
hex | 17c5d22c10 |
102103133200 has 30 divisors (see below), whose sum is σ = 245302778474. Its totient is φ = 40841253120.
The previous prime is 102103133149. The next prime is 102103133201. The reversal of 102103133200 is 2331301201.
It can be written as a sum of positive squares in 3 ways, for example, as 34636187664 + 67466945536 = 186108^2 + 259744^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is not an unprimeable number, because it can be changed into a prime (102103133201) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127628517 + ... + 127629316.
Almost surely, 2102103133200 is an apocalyptic number.
102103133200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102103133200 is an abundant number, since it is smaller than the sum of its proper divisors (143199645274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102103133200 is a wasteful number, since it uses less digits than its factorization.
102103133200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255257851 (or 255257840 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 102103133200 its reverse (2331301201), we get a palindrome (104434434401).
The spelling of 102103133200 in words is "one hundred two billion, one hundred three million, one hundred thirty-three thousand, two hundred".
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