Base | Representation |
---|---|
bin | 10111101111001… |
… | …11100001110000 |
3 | 111212200210220120 |
4 | 23313213201300 |
5 | 401434113300 |
6 | 31432010240 |
7 | 4635366414 |
oct | 1367474160 |
9 | 455623816 |
10 | 199129200 |
11 | a2448796 |
12 | 56830980 |
13 | 32340b3a |
14 | 1c636d44 |
15 | 127363a0 |
hex | bde7870 |
199129200 has 60 divisors (see below), whose sum is σ = 637881048. Its totient is φ = 53100800.
The previous prime is 199129199. The next prime is 199129219. The reversal of 199129200 is 2921991.
It is a tau number, because it is divible by the number of its divisors (60).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81771 + ... + 84170.
Almost surely, 2199129200 is an apocalyptic number.
199129200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
199129200 is an abundant number, since it is smaller than the sum of its proper divisors (438751848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199129200 is a wasteful number, since it uses less digits than its factorization.
199129200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165962 (or 165951 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 33.
The square root of 199129200 is about 14111.3146092063. The cubic root of 199129200 is about 583.9535679604.
It can be divided in two parts, 19 and 9129200, that added together give a palindrome (9129219).
The spelling of 199129200 in words is "one hundred ninety-nine million, one hundred twenty-nine thousand, two hundred".
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