Base | Representation |
---|---|
bin | 10100000111100… |
… | …10000111111100 |
3 | 102202120002112211 |
4 | 22003302013330 |
5 | 321200421100 |
6 | 24425110204 |
7 | 4116320014 |
oct | 1203620774 |
9 | 382502484 |
10 | 168763900 |
11 | 872988a8 |
12 | 48628364 |
13 | 28c6b7c6 |
14 | 185b0c44 |
15 | ec391ba |
hex | a0f21fc |
168763900 has 36 divisors (see below), whose sum is σ = 370648152. Its totient is φ = 66688960.
The previous prime is 168763891. The next prime is 168763901. The reversal of 168763900 is 9367861.
168763900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168763901) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1867 + ... + 18466.
It is an arithmetic number, because the mean of its divisors is an integer number (10295782).
Almost surely, 2168763900 is an apocalyptic number.
168763900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
168763900 is an abundant number, since it is smaller than the sum of its proper divisors (201884252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168763900 is a wasteful number, since it uses less digits than its factorization.
168763900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20430 (or 20423 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 168763900 is about 12990.9160569992. The cubic root of 168763900 is about 552.6198971314.
The spelling of 168763900 in words is "one hundred sixty-eight million, seven hundred sixty-three thousand, nine hundred".
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