Base | Representation |
---|---|
bin | 1011001010111000… |
… | …0101110101101101 |
3 | 21201222001212120110 |
4 | 2302232011311231 |
5 | 22120044130424 |
6 | 1213310410233 |
7 | 134206131435 |
oct | 26256056555 |
9 | 7658055513 |
10 | 2998426989 |
11 | 12a9596638 |
12 | 6b8200979 |
13 | 38a28356c |
14 | 2063172c5 |
15 | 128382c29 |
hex | b2b85d6d |
2998426989 has 8 divisors (see below), whose sum is σ = 3998183040. Its totient is φ = 1998811136.
The previous prime is 2998426987. The next prime is 2998426997. The reversal of 2998426989 is 9896248992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2998426989 - 21 = 2998426987 is a prime.
It is a super-2 number, since 2×29984269892 = 17981128816727212242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2998426987) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34669 + ... + 84845.
It is an arithmetic number, because the mean of its divisors is an integer number (499772880).
Almost surely, 22998426989 is an apocalyptic number.
It is an amenable number.
2998426989 is a deficient number, since it is larger than the sum of its proper divisors (999756051).
2998426989 is a wasteful number, since it uses less digits than its factorization.
2998426989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70099.
The product of its digits is 40310784, while the sum is 66.
The square root of 2998426989 is about 54757.8943075791. The cubic root of 2998426989 is about 1441.9974512995.
The spelling of 2998426989 in words is "two billion, nine hundred ninety-eight million, four hundred twenty-six thousand, nine hundred eighty-nine".
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