| Base | Representation |
|---|---|
| bin | 111011101000111… |
| … | …1011110011101000 |
| 3 | 12011110120222202121 |
| 4 | 1313101323303220 |
| 5 | 13044301040440 |
| 6 | 530324241024 |
| 7 | 100406556346 |
| oct | 16721736350 |
| 9 | 5143528677 |
| 10 | 2001190120 |
| 11 | 93768a836 |
| 12 | 47a240174 |
| 13 | 25b7a2c87 |
| 14 | 14dac8996 |
| 15 | baa4a34a |
| hex | 7747bce8 |
2001190120 has 64 divisors (see below), whose sum is σ = 4676912640. Its totient is φ = 769824000.
The previous prime is 2001190117. The next prime is 2001190123. The reversal of 2001190120 is 210911002.
It is an interprime number because it is at equal distance from previous prime (2001190117) and next prime (2001190123).
It is a super-2 number, since 2×20011901202 = 8009523792771228800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2001190094 and 2001190103.
It is not an unprimeable number, because it can be changed into a prime (2001190123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197170 + ... + 207070.
It is an arithmetic number, because the mean of its divisors is an integer number (73076760).
Almost surely, 22001190120 is an apocalyptic number.
2001190120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2001190120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338456320).
2001190120 is an abundant number, since it is smaller than the sum of its proper divisors (2675722520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001190120 is a wasteful number, since it uses less digits than its factorization.
2001190120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10106 (or 10102 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 16.
The square root of 2001190120 is about 44734.6635172324. The cubic root of 2001190120 is about 1260.1709098808.
The spelling of 2001190120 in words is "two billion, one million, one hundred ninety thousand, one hundred twenty".
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