Base | Representation |
---|---|
bin | 111100010011100001… |
… | …011101001110101110 |
3 | 20012010200101210202210 |
4 | 330103201131032232 |
5 | 2030103011001042 |
6 | 45425141031250 |
7 | 4451421214125 |
oct | 742341351656 |
9 | 205120353683 |
10 | 64752047022 |
11 | 2550892a353 |
12 | 106713b5526 |
13 | 614c112030 |
14 | 31c3a4cabc |
15 | 1a3ea2ba9c |
hex | f1385d3ae |
64752047022 has 16 divisors (see below), whose sum is σ = 139465947600. Its totient is φ = 19923706752.
The previous prime is 64752046907. The next prime is 64752047027. The reversal of 64752047022 is 22074025746.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64752047027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415077147 + ... + 415077302.
It is an arithmetic number, because the mean of its divisors is an integer number (8716621725).
Almost surely, 264752047022 is an apocalyptic number.
64752047022 is an abundant number, since it is smaller than the sum of its proper divisors (74713900578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64752047022 is a wasteful number, since it uses less digits than its factorization.
64752047022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830154467.
The product of its (nonzero) digits is 188160, while the sum is 39.
The spelling of 64752047022 in words is "sixty-four billion, seven hundred fifty-two million, forty-seven thousand, twenty-two".
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