Base | Representation |
---|---|
bin | 1001001101110101… |
… | …10001000011010000 |
3 | 110202211100201002020 |
4 | 10212322301003100 |
5 | 40113131004033 |
6 | 2134550451440 |
7 | 233420341110 |
oct | 44672610320 |
9 | 13684321066 |
10 | 4947906768 |
11 | 2109a67652 |
12 | b61063b80 |
13 | 60b11c7ac |
14 | 34d1c1040 |
15 | 1de5b66b3 |
hex | 126eb10d0 |
4947906768 has 80 divisors (see below), whose sum is σ = 14630480256. Its totient is φ = 1411522560.
The previous prime is 4947906767. The next prime is 4947906791. The reversal of 4947906768 is 8676097494.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4947906767) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215188 + ... + 237068.
Almost surely, 24947906768 is an apocalyptic number.
4947906768 is a gapful number since it is divisible by the number (48) 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 4947906768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7315240128).
4947906768 is an abundant number, since it is smaller than the sum of its proper divisors (9682573488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4947906768 is a wasteful number, since it uses less digits than its factorization.
4947906768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22572 (or 22566 counting only the distinct ones).
The product of its (nonzero) digits is 18289152, while the sum is 60.
The square root of 4947906768 is about 70341.3588722879. The cubic root of 4947906768 is about 1704.0166576872.
The spelling of 4947906768 in words is "four billion, nine hundred forty-seven million, nine hundred six thousand, seven hundred sixty-eight".
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