Base | Representation |
---|---|
bin | 111011101111101101… |
… | …110100000111011000 |
3 | 20010120211000000222200 |
4 | 323233231310013120 |
5 | 2022340213303322 |
6 | 45245401050200 |
7 | 4430505052503 |
oct | 735755640730 |
9 | 203524000880 |
10 | 64151306712 |
11 | 2522a816259 |
12 | 10524186960 |
13 | 60848174ac |
14 | 3167d5213a |
15 | 1a06e148ac |
hex | eefb741d8 |
64151306712 has 24 divisors (see below), whose sum is σ = 173743122540. Its totient is φ = 21383768880.
The previous prime is 64151306699. The next prime is 64151306749. The reversal of 64151306712 is 21760315146.
64151306712 is a `hidden beast` number, since 641 + 5 + 1 + 3 + 0 + 6 + 7 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-4 number, since 4×641513067124 (a number of 44 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445495114 + ... + 445495257.
Almost surely, 264151306712 is an apocalyptic number.
It is an amenable number.
64151306712 is an abundant number, since it is smaller than the sum of its proper divisors (109591815828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64151306712 is a wasteful number, since it uses less digits than its factorization.
64151306712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890990383 (or 890990376 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The spelling of 64151306712 in words is "sixty-four billion, one hundred fifty-one million, three hundred six thousand, seven hundred twelve".
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