Base | Representation |
---|---|
bin | 111100001011011100… |
… | …011100000111101110 |
3 | 20011210020101000110100 |
4 | 330023130130013232 |
5 | 2024313311422110 |
6 | 45403500051530 |
7 | 4445154210165 |
oct | 741334340756 |
9 | 204706330410 |
10 | 64616514030 |
11 | 25449379412 |
12 | 10633b33ba6 |
13 | 612a009cb3 |
14 | 31ada4c3dc |
15 | 1a32ba8bc0 |
hex | f0b71c1ee |
64616514030 has 96 divisors (see below), whose sum is σ = 171307768320. Its totient is φ = 16892628480.
The previous prime is 64616514029. The next prime is 64616514041. The reversal of 64616514030 is 3041561646.
It is a happy number.
64616514030 is a `hidden beast` number, since 6 + 4 + 616 + 5 + 1 + 4 + 0 + 30 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7012066 + ... + 7021274.
It is an arithmetic number, because the mean of its divisors is an integer number (1784455920).
Almost surely, 264616514030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64616514030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85653884160).
64616514030 is an abundant number, since it is smaller than the sum of its proper divisors (106691254290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64616514030 is a wasteful number, since it uses less digits than its factorization.
64616514030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10746 (or 10743 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The spelling of 64616514030 in words is "sixty-four billion, six hundred sixteen million, five hundred fourteen thousand, thirty".
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