Base | Representation |
---|---|
bin | 1101101100010100100… |
… | …00000110011010000101 |
3 | 1122222100221000121011120 |
4 | 12312022100012122011 |
5 | 30202011023132441 |
6 | 1000044212224153 |
7 | 45663464523564 |
oct | 6661220063205 |
9 | 1588327017146 |
10 | 470470911621 |
11 | 171586623327 |
12 | 7721b90b059 |
13 | 354994c4a09 |
14 | 18ab155bbdb |
15 | c388528966 |
hex | 6d8a406685 |
470470911621 has 16 divisors (see below), whose sum is σ = 654585380736. Its totient is φ = 300002573376.
The previous prime is 470470911601. The next prime is 470470911629. The reversal of 470470911621 is 126119074074.
It is a de Polignac number, because none of the positive numbers 2k-470470911621 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (470470911629) 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, 3747951 + ... + 3871443.
It is an arithmetic number, because the mean of its divisors is an integer number (40911586296).
Almost surely, 2470470911621 is an apocalyptic number.
It is an amenable number.
470470911621 is a deficient number, since it is larger than the sum of its proper divisors (184114469115).
470470911621 is a wasteful number, since it uses less digits than its factorization.
470470911621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178732.
The product of its (nonzero) digits is 84672, while the sum is 42.
Adding to 470470911621 its reverse (126119074074), we get a palindrome (596589985695).
The spelling of 470470911621 in words is "four hundred seventy billion, four hundred seventy million, nine hundred eleven thousand, six hundred twenty-one".
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