Base | Representation |
---|---|
bin | 101111100101110100… |
… | …1111000010011110000 |
3 | 100202210120012210021200 |
4 | 1133023221320103300 |
5 | 3133301424014300 |
6 | 114541150051200 |
7 | 10245431114424 |
oct | 1371351702360 |
9 | 322716183250 |
10 | 102201001200 |
11 | 3a385889961 |
12 | 17982aa9b00 |
13 | 9839801a0c |
14 | 4d374bcb84 |
15 | 29d25a3200 |
hex | 17cba784f0 |
102201001200 has 180 divisors, whose sum is σ = 375528786048. Its totient is φ = 25650432000.
The previous prime is 102201001163. The next prime is 102201001219. The reversal of 102201001200 is 2100102201.
It is a tau number, because it is divible by the number of its divisors (180).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 773776 + ... + 896175.
Almost surely, 2102201001200 is an apocalyptic number.
102201001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102201001200 is an abundant number, since it is smaller than the sum of its proper divisors (273327784848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102201001200 is a wasteful number, since it uses less digits than its factorization.
102201001200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1669992 (or 1669978 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 102201001200 its reverse (2100102201), we get a palindrome (104301103401).
The spelling of 102201001200 in words is "one hundred two billion, two hundred one million, one thousand, two hundred".
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