Base | Representation |
---|---|
bin | 100110011100100… |
… | …1100001010101000 |
3 | 10022220110212020220 |
4 | 1030321030022220 |
5 | 10120223413311 |
6 | 332002250040 |
7 | 43653222126 |
oct | 11471141250 |
9 | 3286425226 |
10 | 1290060456 |
11 | 602229573 |
12 | 300056920 |
13 | 177367aa9 |
14 | c3494916 |
15 | 783ca206 |
hex | 4ce4c2a8 |
1290060456 has 32 divisors (see below), whose sum is σ = 3229100640. Its totient is φ = 429493568.
The previous prime is 1290060379. The next prime is 1290060467. The reversal of 1290060456 is 6540600921.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12651 + ... + 52346.
It is an arithmetic number, because the mean of its divisors is an integer number (100909395).
Almost surely, 21290060456 is an apocalyptic number.
It is an amenable number.
1290060456 is an abundant number, since it is smaller than the sum of its proper divisors (1939040184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1290060456 is a wasteful number, since it uses less digits than its factorization.
1290060456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65833 (or 65829 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 1290060456 is about 35917.4115993901. The cubic root of 1290060456 is about 1088.6042387764.
It can be divided in two parts, 12900604 and 56, that added together give a triangular number (12900660 = T5079).
The spelling of 1290060456 in words is "one billion, two hundred ninety million, sixty thousand, four hundred fifty-six".
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