Base | Representation |
---|---|
bin | 101101110110… |
… | …110100000011 |
3 | 211121201201001 |
4 | 231312310003 |
5 | 11034132440 |
6 | 1105352431 |
7 | 204114430 |
oct | 55666403 |
9 | 24551631 |
10 | 12020995 |
11 | 6870608 |
12 | 4038717 |
13 | 264b71c |
14 | 184cb87 |
15 | 10c6b9a |
hex | b76d03 |
12020995 has 16 divisors (see below), whose sum is σ = 16890048. Its totient is φ = 8040960.
The previous prime is 12020947. The next prime is 12021001. The reversal of 12020995 is 59902021.
It is not a de Polignac number, because 12020995 - 217 = 11889923 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2754 + ... + 5623.
It is an arithmetic number, because the mean of its divisors is an integer number (1055628).
Almost surely, 212020995 is an apocalyptic number.
12020995 is a deficient number, since it is larger than the sum of its proper divisors (4869053).
12020995 is an equidigital number, since it uses as much as digits as its factorization.
12020995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8430.
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 12020995 is about 3467.1306580514. The cubic root of 12020995 is about 229.0762889165.
It can be divided in two parts, 120 and 20995, that added together give a triangular number (21115 = T205).
The spelling of 12020995 in words is "twelve million, twenty thousand, nine hundred ninety-five".
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