Base | Representation |
---|---|
bin | 100110011100100… |
… | …0100011101110010 |
3 | 10022220102020222200 |
4 | 1030321010131302 |
5 | 10120221411124 |
6 | 332001444030 |
7 | 43653031146 |
oct | 11471043562 |
9 | 3286366880 |
10 | 1290028914 |
11 | 6022078a9 |
12 | 300040616 |
13 | 177356625 |
14 | c3487226 |
15 | 783c0bc9 |
hex | 4ce44772 |
1290028914 has 24 divisors (see below), whose sum is σ = 2796852240. Its totient is φ = 429734328.
The previous prime is 1290028903. The next prime is 1290028931. The reversal of 1290028914 is 4198200921.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7009 + ... + 51275.
It is an arithmetic number, because the mean of its divisors is an integer number (116535510).
Almost surely, 21290028914 is an apocalyptic number.
1290028914 is an abundant number, since it is smaller than the sum of its proper divisors (1506823326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1290028914 is a wasteful number, since it uses less digits than its factorization.
1290028914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45894 (or 45891 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 1290028914 is about 35916.9725060451. The cubic root of 1290028914 is about 1088.5953665734.
It can be divided in two parts, 12900 and 28914, that added together give a palindrome (41814).
The spelling of 1290028914 in words is "one billion, two hundred ninety million, twenty-eight thousand, nine hundred fourteen".
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