Base | Representation |
---|---|
bin | 1011111011001101… |
… | …0011101011011110 |
3 | 22021002110210110200 |
4 | 2332303103223132 |
5 | 23023441332430 |
6 | 1245351044330 |
7 | 142220036154 |
oct | 27663235336 |
9 | 8232423420 |
10 | 3201120990 |
11 | 13a2a49641 |
12 | 7540706a6 |
13 | 3c0271b42 |
14 | 2251db3d4 |
15 | 13b070460 |
hex | becd3ade |
3201120990 has 48 divisors (see below), whose sum is σ = 8337474288. Its totient is φ = 852139008.
The previous prime is 3201120983. The next prime is 3201120991. The reversal of 3201120990 is 990211023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3201120991) 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, 21109 + ... + 82751.
It is an arithmetic number, because the mean of its divisors is an integer number (173697381).
Almost surely, 23201120990 is an apocalyptic number.
3201120990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3201120990 is an abundant number, since it is smaller than the sum of its proper divisors (5136353298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3201120990 is a wasteful number, since it uses less digits than its factorization.
3201120990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62233 (or 62230 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 3201120990 is about 56578.4498727210. The cubic root of 3201120990 is about 1473.7846528033.
The spelling of 3201120990 in words is "three billion, two hundred one million, one hundred twenty thousand, nine hundred ninety".
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