Base | Representation |
---|---|
bin | 101111111000101011000010… |
… | …1010000101101100100101100 |
3 | 2001020100211201101102222100120 |
4 | 1133301112011100231210230 |
5 | 420202012111134031444 |
6 | 4051455025404524540 |
7 | 154502041026454614 |
oct | 13761260520554454 |
9 | 2036324641388316 |
10 | 421205383502124 |
11 | 112233222204631 |
12 | 3b2a8512850750 |
13 | 151046605612b0 |
14 | 7602640d9da44 |
15 | 33a67ba60bb19 |
hex | 17f158542d92c |
421205383502124 has 48 divisors (see below), whose sum is σ = 1058506432576992. Its totient is φ = 129590280364032.
The previous prime is 421205383502063. The next prime is 421205383502171.
421205383502124 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×4212053835021242 (a number of 30 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116718019 + ... + 120272634.
It is an arithmetic number, because the mean of its divisors is an integer number (22052217345354).
Almost surely, 2421205383502124 is an apocalyptic number.
It is an amenable number.
421205383502124 is an abundant number, since it is smaller than the sum of its proper divisors (637301049074868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
421205383502124 is a wasteful number, since it uses less digits than its factorization.
421205383502124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237002066 (or 237002064 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 42.
The spelling of 421205383502124 in words is "four hundred twenty-one trillion, two hundred five billion, three hundred eighty-three million, five hundred two thousand, one hundred twenty-four".
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