Base | Representation |
---|---|
bin | 101011101110101111… |
… | …0000001101010010000 |
3 | 22222101202010200220221 |
4 | 1113131132001222100 |
5 | 3014311421332242 |
6 | 111050332042424 |
7 | 6533114252662 |
oct | 1273536015220 |
9 | 288352120827 |
10 | 93909949072 |
11 | 36910799765 |
12 | 1624a303414 |
13 | 8b17ba4804 |
14 | 478c2d0532 |
15 | 2699765167 |
hex | 15dd781a90 |
93909949072 has 80 divisors (see below), whose sum is σ = 194539834368. Its totient is φ = 43809575040.
The previous prime is 93909949039. The next prime is 93909949093. The reversal of 93909949072 is 27094990939.
It is a super-2 number, since 2×939099490722 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 93909949072.
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, 13019547 + ... + 13026757.
Almost surely, 293909949072 is an apocalyptic number.
93909949072 is a gapful number since it is divisible by the number (92) 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 93909949072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97269917184).
93909949072 is an abundant number, since it is smaller than the sum of its proper divisors (100629885296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
93909949072 is a wasteful number, since it uses less digits than its factorization.
93909949072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8108 (or 8102 counting only the distinct ones).
The product of its (nonzero) digits is 9920232, while the sum is 61.
The spelling of 93909949072 in words is "ninety-three billion, nine hundred nine million, nine hundred forty-nine thousand, seventy-two".
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