Base | Representation |
---|---|
bin | 1100100100000010011… |
… | …0101001100110110000 |
3 | 202122002201102201210120 |
4 | 3021000212221212300 |
5 | 12014011023113022 |
6 | 243052453530240 |
7 | 21410344520532 |
oct | 3110046514660 |
9 | 678081381716 |
10 | 215832238512 |
11 | 83596743340 |
12 | 359b5943980 |
13 | 174783c7c47 |
14 | a636a63852 |
15 | 593337cd5c |
hex | 32409a99b0 |
215832238512 has 80 divisors (see below), whose sum is σ = 622400009088. Its totient is φ = 63882685440.
The previous prime is 215832238471. The next prime is 215832238529.
215832238512 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×2158322385122 (a number of 23 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, 4730473 + ... + 4775880.
Almost surely, 2215832238512 is an apocalyptic number.
215832238512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
215832238512 is an abundant number, since it is smaller than the sum of its proper divisors (406567770576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215832238512 is a wasteful number, since it uses less digits than its factorization.
215832238512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9506418 (or 9506412 counting only the distinct ones).
The product of its digits is 230400, while the sum is 42.
The spelling of 215832238512 in words is "two hundred fifteen billion, eight hundred thirty-two million, two hundred thirty-eight thousand, five hundred twelve".
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