Base | Representation |
---|---|
bin | 111010110110101… |
… | …1110100110000100 |
3 | 12002122001002020100 |
4 | 1311231132212010 |
5 | 13021030343233 |
6 | 523544004100 |
7 | 66636666603 |
oct | 16555364604 |
9 | 5078032210 |
10 | 1974856068 |
11 | 923833659 |
12 | 471460630 |
13 | 2561b27b3 |
14 | 14a3d1a3a |
15 | b8597813 |
hex | 75b5e984 |
1974856068 has 54 divisors (see below), whose sum is σ = 5302945466. Its totient is φ = 619559424.
The previous prime is 1974856033. The next prime is 1974856073. The reversal of 1974856068 is 8606584791.
1974856068 is a `hidden beast` number, since 1 + 9 + 74 + 8 + 560 + 6 + 8 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 1222341444 + 752514624 = 34962^2 + 27432^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 84505 + ... + 105312.
Almost surely, 21974856068 is an apocalyptic number.
1974856068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1974856068 is an abundant number, since it is smaller than the sum of its proper divisors (3328089398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1974856068 is a wasteful number, since it uses less digits than its factorization.
1974856068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189861 (or 189839 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The square root of 1974856068 is about 44439.3526955558. The cubic root of 1974856068 is about 1254.6188729617.
The spelling of 1974856068 in words is "one billion, nine hundred seventy-four million, eight hundred fifty-six thousand, sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •