Base | Representation |
---|---|
bin | 101111100010110100… |
… | …1000101110110000000 |
3 | 100202112112102001122202 |
4 | 1133011221011312000 |
5 | 3133100113144300 |
6 | 114523144052332 |
7 | 10243064536664 |
oct | 1370551056600 |
9 | 322475361582 |
10 | 102100131200 |
11 | 3a333953821 |
12 | 179551640a8 |
13 | 9821945222 |
14 | 4d27d428a4 |
15 | 29c87caad5 |
hex | 17c5a45d80 |
102100131200 has 48 divisors (see below), whose sum is σ = 252219238260. Its totient is φ = 40840051200.
The previous prime is 102100131169. The next prime is 102100131209. The reversal of 102100131200 is 2131001201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102100131209) 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 5 ways as a sum of consecutive naturals, for example, 15949946 + ... + 15956345.
Almost surely, 2102100131200 is an apocalyptic number.
102100131200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102100131200 is an abundant number, since it is smaller than the sum of its proper divisors (150119107060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102100131200 is an equidigital number, since it uses as much as digits as its factorization.
102100131200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31906315 (or 31906298 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 102100131200 its reverse (2131001201), we get a palindrome (104231132401).
The spelling of 102100131200 in words is "one hundred two billion, one hundred million, one hundred thirty-one thousand, two hundred".
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