Base | Representation |
---|---|
bin | 101111100010111010… |
… | …0001010010101111100 |
3 | 100202112201212111110200 |
4 | 1133011310022111330 |
5 | 3133101334030322 |
6 | 114523330203500 |
7 | 10243131314445 |
oct | 1370564122574 |
9 | 322481774420 |
10 | 102103033212 |
11 | 3a335556084 |
12 | 17956123590 |
13 | 98224200ab |
14 | 4d2849a2cc |
15 | 29c8ba08ac |
hex | 17c5d0a57c |
102103033212 has 72 divisors (see below), whose sum is σ = 259167199200. Its totient is φ = 33893088768.
The previous prime is 102103033211. The next prime is 102103033271. The reversal of 102103033212 is 212330301201.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102103033211) 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, 9079089 + ... + 9090327.
Almost surely, 2102103033212 is an apocalyptic number.
102103033212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102103033212 is an abundant number, since it is smaller than the sum of its proper divisors (157064165988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102103033212 is a wasteful number, since it uses less digits than its factorization.
102103033212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12275 (or 12270 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 102103033212 its reverse (212330301201), we get a palindrome (314433334413).
The spelling of 102103033212 in words is "one hundred two billion, one hundred three million, thirty-three thousand, two hundred twelve".
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