Base | Representation |
---|---|
bin | 111010011010001… |
… | …011110001110000 |
3 | 2112021221020102010 |
4 | 322122023301300 |
5 | 4001331130022 |
6 | 241123322520 |
7 | 33166242153 |
oct | 7232136160 |
9 | 2467836363 |
10 | 979942512 |
11 | 46317434a |
12 | 234220440 |
13 | 128036853 |
14 | 94209c9a |
15 | 5b06d50c |
hex | 3a68bc70 |
979942512 has 20 divisors (see below), whose sum is σ = 2531518280. Its totient is φ = 326647488.
The previous prime is 979942489. The next prime is 979942529. The reversal of 979942512 is 215249979.
979942512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 20415469 = 979942512 / (9 + 7 + 9 + 9 + 4 + 2 + 5 + 1 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10207687 + ... + 10207782.
It is an arithmetic number, because the mean of its divisors is an integer number (126575914).
Almost surely, 2979942512 is an apocalyptic number.
It is an amenable number.
979942512 is an abundant number, since it is smaller than the sum of its proper divisors (1551575768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
979942512 is a wasteful number, since it uses less digits than its factorization.
979942512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20415480 (or 20415474 counting only the distinct ones).
The product of its digits is 408240, while the sum is 48.
The square root of 979942512 is about 31304.0334781319. The cubic root of 979942512 is about 993.2689654951.
The spelling of 979942512 in words is "nine hundred seventy-nine million, nine hundred forty-two thousand, five hundred twelve".
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