Base | Representation |
---|---|
bin | 111111100010100101… |
… | …001111110101010000 |
3 | 20112002210010001201002 |
4 | 333202211033311100 |
5 | 2104211314040212 |
6 | 51201554201132 |
7 | 4633462534451 |
oct | 774245176520 |
9 | 215083101632 |
10 | 68225924432 |
11 | 26a30834916 |
12 | 112808831a8 |
13 | 6583a334b3 |
14 | 343316b128 |
15 | 1b949c8ac2 |
hex | fe294fd50 |
68225924432 has 80 divisors (see below), whose sum is σ = 144210769920. Its totient is φ = 31149360000.
The previous prime is 68225924419. The next prime is 68225924467. The reversal of 68225924432 is 23442952286.
It is a happy number.
It is a congruent number.
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, 2351003 + ... + 2379845.
It is an arithmetic number, because the mean of its divisors is an integer number (1802634624).
Almost surely, 268225924432 is an apocalyptic number.
68225924432 is a gapful number since it is divisible by the number (62) 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 68225924432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72105384960).
68225924432 is an abundant number, since it is smaller than the sum of its proper divisors (75984845488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68225924432 is a wasteful number, since it uses less digits than its factorization.
68225924432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29152 (or 29146 counting only the distinct ones).
The product of its digits is 1658880, while the sum is 47.
The spelling of 68225924432 in words is "sixty-eight billion, two hundred twenty-five million, nine hundred twenty-four thousand, four hundred thirty-two".
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