Base | Representation |
---|---|
bin | 100011110010111… |
… | …0111101111011110 |
3 | 10002201002201010220 |
4 | 1013211313233132 |
5 | 4424441004412 |
6 | 315103542210 |
7 | 41523160242 |
oct | 10745675736 |
9 | 3081081126 |
10 | 1201109982 |
11 | 566aa4786 |
12 | 2962ba966 |
13 | 161ac2787 |
14 | b573c422 |
15 | 706a968c |
hex | 47977bde |
1201109982 has 32 divisors (see below), whose sum is σ = 2442908160. Its totient is φ = 393620640.
The previous prime is 1201109977. The next prime is 1201109983. The reversal of 1201109982 is 2899011021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201109983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155119 + ... + 162677.
It is an arithmetic number, because the mean of its divisors is an integer number (76340880).
Almost surely, 21201109982 is an apocalyptic number.
1201109982 is an abundant number, since it is smaller than the sum of its proper divisors (1241798178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201109982 is a wasteful number, since it uses less digits than its factorization.
1201109982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8008.
The product of its (nonzero) digits is 2592, while the sum is 33.
The square root of 1201109982 is about 34657.0336584076. The cubic root of 1201109982 is about 1062.9861159569.
The spelling of 1201109982 in words is "one billion, two hundred one million, one hundred nine thousand, nine hundred eighty-two".
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