Base | Representation |
---|---|
bin | 101100000110110110111… |
… | …100110010011000011101 |
3 | 101201202121002101012221020 |
4 | 230012312330302120131 |
5 | 344130012430110442 |
6 | 10240233150154353 |
7 | 431661351141201 |
oct | 54066674623035 |
9 | 11652532335836 |
10 | 3031021331997 |
11 | a694a358363a |
12 | 40b522ab29b9 |
13 | 18ca93690959 |
14 | a69b8c42b01 |
15 | 53c9cd649ec |
hex | 2c1b6f3261d |
3031021331997 has 8 divisors (see below), whose sum is σ = 4041506516544. Its totient is φ = 2020608517728.
The previous prime is 3031021331981. The next prime is 3031021332037. The reversal of 3031021331997 is 7991331201303.
3031021331997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3031021331997 - 24 = 3031021331981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3031021333997) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17994768 + ... + 18162425.
It is an arithmetic number, because the mean of its divisors is an integer number (505188314568).
Almost surely, 23031021331997 is an apocalyptic number.
It is an amenable number.
3031021331997 is a deficient number, since it is larger than the sum of its proper divisors (1010485184547).
3031021331997 is a wasteful number, since it uses less digits than its factorization.
3031021331997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36185139.
The product of its (nonzero) digits is 91854, while the sum is 42.
The spelling of 3031021331997 in words is "three trillion, thirty-one billion, twenty-one million, three hundred thirty-one thousand, nine hundred ninety-seven".
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