Base | Representation |
---|---|
bin | 100110011100100… |
… | …0100101111010111 |
3 | 10022220102022112100 |
4 | 1030321010233113 |
5 | 10120221430124 |
6 | 332001453143 |
7 | 43653034344 |
oct | 11471045727 |
9 | 3286368470 |
10 | 1290030039 |
11 | 602208731 |
12 | 3000411b3 |
13 | 177356cac |
14 | c34877cb |
15 | 783c11c9 |
hex | 4ce44bd7 |
1290030039 has 12 divisors (see below), whose sum is σ = 1865098872. Its totient is φ = 859225200.
The previous prime is 1290030029. The next prime is 1290030047. The reversal of 1290030039 is 9300300921.
It is not a de Polignac number, because 1290030039 - 213 = 1290021847 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1290029994 and 1290030021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1290030019) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 55872 + ... + 75509.
It is an arithmetic number, because the mean of its divisors is an integer number (155424906).
Almost surely, 21290030039 is an apocalyptic number.
1290030039 is a deficient number, since it is larger than the sum of its proper divisors (575068833).
1290030039 is a wasteful number, since it uses less digits than its factorization.
1290030039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132478 (or 132475 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 1290030039 is about 35916.9881671612. The cubic root of 1290030039 is about 1088.5956830183.
The spelling of 1290030039 in words is "one billion, two hundred ninety million, thirty thousand, thirty-nine".
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