Base | Representation |
---|---|
bin | 100101111110111… |
… | …0101101110110000 |
3 | 10021211012102011011 |
4 | 1023331311232300 |
5 | 10102233031224 |
6 | 330245000304 |
7 | 43404042313 |
oct | 11375655660 |
9 | 3254172134 |
10 | 1274502064 |
11 | 5a44722a0 |
12 | 2b69b3094 |
13 | 17407b244 |
14 | c13a497a |
15 | 76d55394 |
hex | 4bf75bb0 |
1274502064 has 80 divisors (see below), whose sum is σ = 2848567680. Its totient is φ = 546324480.
The previous prime is 1274502041. The next prime is 1274502071. The reversal of 1274502064 is 4602054721.
It is a super-3 number, since 3×12745020643 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 858667 + ... + 860149.
It is an arithmetic number, because the mean of its divisors is an integer number (35607096).
Almost surely, 21274502064 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 1274502064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424283840).
1274502064 is an abundant number, since it is smaller than the sum of its proper divisors (1574065616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1274502064 is a wasteful number, since it uses less digits than its factorization.
1274502064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1778 (or 1772 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 1274502064 is about 35700.1689631856. The cubic root of 1274502064 is about 1084.2102640829.
Adding to 1274502064 its reverse (4602054721), we get a palindrome (5876556785).
The spelling of 1274502064 in words is "one billion, two hundred seventy-four million, five hundred two thousand, sixty-four".
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