Base | Representation |
---|---|
bin | 111011111101011000… |
… | …001000010000010010 |
3 | 20011011210021102021020 |
4 | 323331120020100102 |
5 | 2023322402044213 |
6 | 45324225340310 |
7 | 4436260150434 |
oct | 737530102022 |
9 | 204153242236 |
10 | 64380503058 |
11 | 2533812a923 |
12 | 10588a97696 |
13 | 60c0154a31 |
14 | 318a574654 |
15 | 1a1c0d9923 |
hex | efd608412 |
64380503058 has 32 divisors (see below), whose sum is σ = 129588850944. Its totient is φ = 21322616832.
The previous prime is 64380503017. The next prime is 64380503059. The reversal of 64380503058 is 85030508346.
It is a super-3 number, since 3×643805030583 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (64380503059) 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, 559591 + ... + 664757.
It is an arithmetic number, because the mean of its divisors is an integer number (4049651592).
Almost surely, 264380503058 is an apocalyptic number.
64380503058 is an abundant number, since it is smaller than the sum of its proper divisors (65208347886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64380503058 is a wasteful number, since it uses less digits than its factorization.
64380503058 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105826.
The product of its (nonzero) digits is 345600, while the sum is 42.
The spelling of 64380503058 in words is "sixty-four billion, three hundred eighty million, five hundred three thousand, fifty-eight".
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