Base | Representation |
---|---|
bin | 1001100000101000100… |
… | …1100100010100000100 |
3 | 120121201011111000221220 |
4 | 2120022021210110010 |
5 | 10134100013144234 |
6 | 203015535440340 |
7 | 14542453622220 |
oct | 2301211442404 |
9 | 517634430856 |
10 | 163379037444 |
11 | 6331a230a97 |
12 | 277b73860b0 |
13 | 1253933316c |
14 | 7c9c5c5780 |
15 | 43b3453a49 |
hex | 260a264504 |
163379037444 has 96 divisors (see below), whose sum is σ = 448047645696. Its totient is φ = 45370815360.
The previous prime is 163379037439. The next prime is 163379037469. The reversal of 163379037444 is 444730973361.
It is a happy number.
It is a super-2 number, since 2×1633790374442 (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 31 ways as a sum of consecutive naturals, for example, 304879 + ... + 647849.
It is an arithmetic number, because the mean of its divisors is an integer number (4667162976).
Almost surely, 2163379037444 is an apocalyptic number.
163379037444 is a gapful number since it is divisible by the number (14) 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 163379037444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224023822848).
163379037444 is an abundant number, since it is smaller than the sum of its proper divisors (284668608252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163379037444 is a wasteful number, since it uses less digits than its factorization.
163379037444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343145 (or 343143 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 51.
The spelling of 163379037444 in words is "one hundred sixty-three billion, three hundred seventy-nine million, thirty-seven thousand, four hundred forty-four".
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