Base | Representation |
---|---|
bin | 11100001111001001000… |
… | …11101110011100100000 |
3 | 10102202021001121222000000 |
4 | 32013210203232130200 |
5 | 111343433231242003 |
6 | 2021412120300000 |
7 | 130044341506632 |
oct | 16074443563440 |
9 | 3382231558000 |
10 | 970202212128 |
11 | 344507945926 |
12 | 138046911600 |
13 | 70649a838b6 |
14 | 34d5abd8a52 |
15 | 1a3857821a3 |
hex | e1e48ee720 |
970202212128 has 126 divisors (see below), whose sum is σ = 2864262475809. Its totient is φ = 323350589952.
The previous prime is 970202212127. The next prime is 970202212141. The reversal of 970202212128 is 821212202079.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 651035969424 + 319166242704 = 806868^2 + 564948^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=696492.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 970202212092 and 970202212101.
It is not an unprimeable number, because it can be changed into a prime (970202212127) 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 20 ways as a sum of consecutive naturals, for example, 150439048 + ... + 150445496.
Almost surely, 2970202212128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 970202212128
970202212128 is an abundant number, since it is smaller than the sum of its proper divisors (1894060263681).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
970202212128 is an frugal number, since it uses more digits than its factorization.
970202212128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12926 (or 6454 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The spelling of 970202212128 in words is "nine hundred seventy billion, two hundred two million, two hundred twelve thousand, one hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •