Base | Representation |
---|---|
bin | 111010101101110… |
… | …0100110110001101 |
3 | 12002022012122200011 |
4 | 1311123210312031 |
5 | 13013330204320 |
6 | 523255233221 |
7 | 66552052462 |
oct | 16533446615 |
9 | 5068178604 |
10 | 1970163085 |
11 | 921118760 |
12 | 46b978811 |
13 | 25522b697 |
14 | 14992d669 |
15 | b7e6c05a |
hex | 756e4d8d |
1970163085 has 16 divisors (see below), whose sum is σ = 2580693120. Its totient is φ = 1431973440.
The previous prime is 1970163071. The next prime is 1970163089. The reversal of 1970163085 is 5803610791.
It is not a de Polignac number, because 1970163085 - 215 = 1970130317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1970163089) 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, 88384 + ... + 108406.
It is an arithmetic number, because the mean of its divisors is an integer number (161293320).
Almost surely, 21970163085 is an apocalyptic number.
It is an amenable number.
1970163085 is a deficient number, since it is larger than the sum of its proper divisors (610530035).
1970163085 is a wasteful number, since it uses less digits than its factorization.
1970163085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21828.
The product of its (nonzero) digits is 45360, while the sum is 40.
The square root of 1970163085 is about 44386.5191809405. The cubic root of 1970163085 is about 1253.6242730267.
The spelling of 1970163085 in words is "one billion, nine hundred seventy million, one hundred sixty-three thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •