Base | Representation |
---|---|
bin | 1010100010111101… |
… | …0101001010000000 |
3 | 21022021222200002110 |
4 | 2220233111022000 |
5 | 21244212322322 |
6 | 1144525415320 |
7 | 130103634111 |
oct | 25057251200 |
9 | 7267880073 |
10 | 2830979712 |
11 | 1223017a60 |
12 | 67010a540 |
13 | 361686132 |
14 | 1cbdaa208 |
15 | 118808c0c |
hex | a8bd5280 |
2830979712 has 128 divisors (see below), whose sum is σ = 8316688320. Its totient is φ = 846028800.
The previous prime is 2830979707. The next prime is 2830979731. The reversal of 2830979712 is 2179790382.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×28309797122 = 16028892259511205888, which contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
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 15 ways as a sum of consecutive naturals, for example, 303762 + ... + 312942.
Almost surely, 22830979712 is an apocalyptic number.
2830979712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2830979712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4158344160).
2830979712 is an abundant number, since it is smaller than the sum of its proper divisors (5485708608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2830979712 is a wasteful number, since it uses less digits than its factorization.
2830979712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9282 (or 9270 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 48.
The square root of 2830979712 is about 53206.9517262547. The cubic root of 2830979712 is about 1414.6388656657.
The spelling of 2830979712 in words is "two billion, eight hundred thirty million, nine hundred seventy-nine thousand, seven hundred twelve".
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