Base | Representation |
---|---|
bin | 1101010010111111101… |
… | …1010010000111000000 |
3 | 210211122012011001120001 |
4 | 3110233323102013000 |
5 | 12220314424232022 |
6 | 252535340525344 |
7 | 22334614215430 |
oct | 3245773220700 |
9 | 724565131501 |
10 | 228437336512 |
11 | 88974a15000 |
12 | 38333250854 |
13 | 18706a21908 |
14 | b0b0b942c0 |
15 | 5e1ecc6b27 |
hex | 352fed21c0 |
228437336512 has 112 divisors (see below), whose sum is σ = 569832134400. Its totient is φ = 89001327360.
The previous prime is 228437336503. The next prime is 228437336521. The reversal of 228437336512 is 215633734822.
It is a happy number.
228437336512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (228437336503) and next prime (228437336521).
It is a tau number, because it is divible by the number of its divisors (112).
It is a super-2 number, since 2×2284373365122 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404739 + ... + 787837.
Almost surely, 2228437336512 is an apocalyptic number.
228437336512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228437336512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284916067200).
228437336512 is an abundant number, since it is smaller than the sum of its proper divisors (341394797888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228437336512 is an equidigital number, since it uses as much as digits as its factorization.
228437336512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383151 (or 383119 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 46.
The spelling of 228437336512 in words is "two hundred twenty-eight billion, four hundred thirty-seven million, three hundred thirty-six thousand, five hundred twelve".
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