Base | Representation |
---|---|
bin | 11100010000010101010… |
… | …00011000100100111001 |
3 | 10102210220120120002121200 |
4 | 32020022220120210321 |
5 | 111401240241424411 |
6 | 2021555335124413 |
7 | 130066226031300 |
oct | 16101250304471 |
9 | 3383816502550 |
10 | 970840967481 |
11 | 344805464210 |
12 | 1381a4813709 |
13 | 7071c1cb648 |
14 | 34dbb98d437 |
15 | 1a3c18a7e56 |
hex | e20aa18939 |
970840967481 has 144 divisors (see below), whose sum is σ = 1860747033600. Its totient is φ = 481418562240.
The previous prime is 970840967477. The next prime is 970840967491. The reversal of 970840967481 is 184769048079.
970840967481 is a `hidden beast` number, since 9 + 70 + 84 + 0 + 9 + 6 + 7 + 481 = 666.
It is not a de Polignac number, because 970840967481 - 22 = 970840967477 is a prime.
It is a super-2 number, since 2×9708409674812 (a number of 25 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (970840967401) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56112570 + ... + 56129868.
It is an arithmetic number, because the mean of its divisors is an integer number (12921854400).
Almost surely, 2970840967481 is an apocalyptic number.
It is an amenable number.
970840967481 is a deficient number, since it is larger than the sum of its proper divisors (889906066119).
970840967481 is a wasteful number, since it uses less digits than its factorization.
970840967481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17856 (or 17846 counting only the distinct ones).
The product of its (nonzero) digits is 24385536, while the sum is 63.
The spelling of 970840967481 in words is "nine hundred seventy billion, eight hundred forty million, nine hundred sixty-seven thousand, four hundred eighty-one".
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